SALE Quick view Details SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare
Quick view Details TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT MSRP: Now: $369.85 Add to Cart Compare Quick view Details GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* MSRP: Now: $99.95 Add to Cart Compare Quick view Details SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* MSRP: Now: $399.95 Add to Cart Compare Quick view Details GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) MSRP: Now: $59.95 Add to Cart Compare Quick view Details TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES MSRP: Now: $139.95 Out of stock Compare Quick view Details SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT MSRP: Now: $1,813.50 Add to Cart Compare Quick view Details TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 MSRP: Now: $699.95 Add to Cart Compare Quick view Details TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* MSRP: Now: $798.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) MSRP: Now: $69.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) TAIDA GY6 8200 CRANKSHAFT +8.2mm STROKER (66mm) TAIDA GY6 8200 STROKER CRANKSHAFT EXTENDS THE GY6 STROKE FROM 57.8 TO 66mm ADDING A 8.2mm LONGER STROKE. ADD TO: 61mm KIT = 171cc 63mm KIT = 206cc 65mm KIT= 219cc 66mm KIT =... MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare Quick view TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT TTMRC GY6 232CC 67mm 4V CYLINDER KIT GY6 67mm CERAMIC COATED CYLINDER KIT WITH FORGED PISTON FOR 4V CYGNUS STYLE CYLINDER HEAD. FITS B-BLOCK CASE GY6 4-STROKE ENGINES AND WHEN USED WITH A 66mm (+8.2MM) STROKER CRANK... MSRP: Now: $369.85 Add to Cart Compare Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* MSRP: Now: $99.95 Add to Cart Compare Quick view Details SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* MSRP: Now: $399.95 Add to Cart Compare Quick view Details GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) MSRP: Now: $59.95 Add to Cart Compare Quick view Details TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES MSRP: Now: $139.95 Out of stock Compare Quick view Details SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT MSRP: Now: $1,813.50 Add to Cart Compare Quick view Details TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 MSRP: Now: $699.95 Add to Cart Compare Quick view Details TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* MSRP: Now: $798.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) MSRP: Now: $69.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) TAIDA GY6 8200 CRANKSHAFT +8.2mm STROKER (66mm) TAIDA GY6 8200 STROKER CRANKSHAFT EXTENDS THE GY6 STROKE FROM 57.8 TO 66mm ADDING A 8.2mm LONGER STROKE. ADD TO: 61mm KIT = 171cc 63mm KIT = 206cc 65mm KIT= 219cc 66mm KIT =... MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare Quick view TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT TTMRC GY6 232CC 67mm 4V CYLINDER KIT GY6 67mm CERAMIC COATED CYLINDER KIT WITH FORGED PISTON FOR 4V CYGNUS STYLE CYLINDER HEAD. FITS B-BLOCK CASE GY6 4-STROKE ENGINES AND WHEN USED WITH A 66mm (+8.2MM) STROKER CRANK... MSRP: Now: $369.85 Add to Cart Compare Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view Details SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* MSRP: Now: $399.95 Add to Cart Compare Quick view Details GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) MSRP: Now: $59.95 Add to Cart Compare Quick view Details TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES MSRP: Now: $139.95 Out of stock Compare Quick view Details SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT MSRP: Now: $1,813.50 Add to Cart Compare Quick view Details TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 MSRP: Now: $699.95 Add to Cart Compare Quick view Details TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* MSRP: Now: $798.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) MSRP: Now: $69.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) TAIDA GY6 8200 CRANKSHAFT +8.2mm STROKER (66mm) TAIDA GY6 8200 STROKER CRANKSHAFT EXTENDS THE GY6 STROKE FROM 57.8 TO 66mm ADDING A 8.2mm LONGER STROKE. ADD TO: 61mm KIT = 171cc 63mm KIT = 206cc 65mm KIT= 219cc 66mm KIT =... MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare Quick view TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT TTMRC GY6 232CC 67mm 4V CYLINDER KIT GY6 67mm CERAMIC COATED CYLINDER KIT WITH FORGED PISTON FOR 4V CYGNUS STYLE CYLINDER HEAD. FITS B-BLOCK CASE GY6 4-STROKE ENGINES AND WHEN USED WITH A 66mm (+8.2MM) STROKER CRANK... MSRP: Now: $369.85 Add to Cart Compare Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) MSRP: Now: $59.95 Add to Cart Compare Quick view Details TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES MSRP: Now: $139.95 Out of stock Compare Quick view Details SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT MSRP: Now: $1,813.50 Add to Cart Compare Quick view Details TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 MSRP: Now: $699.95 Add to Cart Compare Quick view Details TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* MSRP: Now: $798.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) MSRP: Now: $69.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) TAIDA GY6 8200 CRANKSHAFT +8.2mm STROKER (66mm) TAIDA GY6 8200 STROKER CRANKSHAFT EXTENDS THE GY6 STROKE FROM 57.8 TO 66mm ADDING A 8.2mm LONGER STROKE. ADD TO: 61mm KIT = 171cc 63mm KIT = 206cc 65mm KIT= 219cc 66mm KIT =... MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare Quick view TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT TTMRC GY6 232CC 67mm 4V CYLINDER KIT GY6 67mm CERAMIC COATED CYLINDER KIT WITH FORGED PISTON FOR 4V CYGNUS STYLE CYLINDER HEAD. FITS B-BLOCK CASE GY6 4-STROKE ENGINES AND WHEN USED WITH A 66mm (+8.2MM) STROKER CRANK... MSRP: Now: $369.85 Add to Cart Compare Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view Details TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES MSRP: Now: $139.95 Out of stock Compare Quick view Details SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT MSRP: Now: $1,813.50 Add to Cart Compare Quick view Details TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 MSRP: Now: $699.95 Add to Cart Compare Quick view Details TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* MSRP: Now: $798.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) MSRP: Now: $69.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) TAIDA GY6 8200 CRANKSHAFT +8.2mm STROKER (66mm) TAIDA GY6 8200 STROKER CRANKSHAFT EXTENDS THE GY6 STROKE FROM 57.8 TO 66mm ADDING A 8.2mm LONGER STROKE. ADD TO: 61mm KIT = 171cc 63mm KIT = 206cc 65mm KIT= 219cc 66mm KIT =... MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare Quick view TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT TTMRC GY6 232CC 67mm 4V CYLINDER KIT GY6 67mm CERAMIC COATED CYLINDER KIT WITH FORGED PISTON FOR 4V CYGNUS STYLE CYLINDER HEAD. FITS B-BLOCK CASE GY6 4-STROKE ENGINES AND WHEN USED WITH A 66mm (+8.2MM) STROKER CRANK... MSRP: Now: $369.85 Add to Cart Compare Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view Details SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT MSRP: Now: $1,813.50 Add to Cart Compare Quick view Details TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 MSRP: Now: $699.95 Add to Cart Compare Quick view Details TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* MSRP: Now: $798.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) MSRP: Now: $69.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) TAIDA GY6 8200 CRANKSHAFT +8.2mm STROKER (66mm) TAIDA GY6 8200 STROKER CRANKSHAFT EXTENDS THE GY6 STROKE FROM 57.8 TO 66mm ADDING A 8.2mm LONGER STROKE. ADD TO: 61mm KIT = 171cc 63mm KIT = 206cc 65mm KIT= 219cc 66mm KIT =... MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare Quick view TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT TTMRC GY6 232CC 67mm 4V CYLINDER KIT GY6 67mm CERAMIC COATED CYLINDER KIT WITH FORGED PISTON FOR 4V CYGNUS STYLE CYLINDER HEAD. FITS B-BLOCK CASE GY6 4-STROKE ENGINES AND WHEN USED WITH A 66mm (+8.2MM) STROKER CRANK... MSRP: Now: $369.85 Add to Cart Compare Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view Details TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 MSRP: Now: $699.95 Add to Cart Compare Quick view Details TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* MSRP: Now: $798.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) MSRP: Now: $69.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) TAIDA GY6 8200 CRANKSHAFT +8.2mm STROKER (66mm) TAIDA GY6 8200 STROKER CRANKSHAFT EXTENDS THE GY6 STROKE FROM 57.8 TO 66mm ADDING A 8.2mm LONGER STROKE. ADD TO: 61mm KIT = 171cc 63mm KIT = 206cc 65mm KIT= 219cc 66mm KIT =... MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare Quick view TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT TTMRC GY6 232CC 67mm 4V CYLINDER KIT GY6 67mm CERAMIC COATED CYLINDER KIT WITH FORGED PISTON FOR 4V CYGNUS STYLE CYLINDER HEAD. FITS B-BLOCK CASE GY6 4-STROKE ENGINES AND WHEN USED WITH A 66mm (+8.2MM) STROKER CRANK... MSRP: Now: $369.85 Add to Cart Compare Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view Details TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* MSRP: Now: $798.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) MSRP: Now: $69.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) TAIDA GY6 8200 CRANKSHAFT +8.2mm STROKER (66mm) TAIDA GY6 8200 STROKER CRANKSHAFT EXTENDS THE GY6 STROKE FROM 57.8 TO 66mm ADDING A 8.2mm LONGER STROKE. ADD TO: 61mm KIT = 171cc 63mm KIT = 206cc 65mm KIT= 219cc 66mm KIT =... MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare Quick view TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT TTMRC GY6 232CC 67mm 4V CYLINDER KIT GY6 67mm CERAMIC COATED CYLINDER KIT WITH FORGED PISTON FOR 4V CYGNUS STYLE CYLINDER HEAD. FITS B-BLOCK CASE GY6 4-STROKE ENGINES AND WHEN USED WITH A 66mm (+8.2MM) STROKER CRANK... MSRP: Now: $369.85 Add to Cart Compare Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) MSRP: Now: $69.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) TAIDA GY6 8200 CRANKSHAFT +8.2mm STROKER (66mm) TAIDA GY6 8200 STROKER CRANKSHAFT EXTENDS THE GY6 STROKE FROM 57.8 TO 66mm ADDING A 8.2mm LONGER STROKE. ADD TO: 61mm KIT = 171cc 63mm KIT = 206cc 65mm KIT= 219cc 66mm KIT =... MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare Quick view TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT TTMRC GY6 232CC 67mm 4V CYLINDER KIT GY6 67mm CERAMIC COATED CYLINDER KIT WITH FORGED PISTON FOR 4V CYGNUS STYLE CYLINDER HEAD. FITS B-BLOCK CASE GY6 4-STROKE ENGINES AND WHEN USED WITH A 66mm (+8.2MM) STROKER CRANK... MSRP: Now: $369.85 Add to Cart Compare Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) TAIDA GY6 8200 CRANKSHAFT +8.2mm STROKER (66mm) TAIDA GY6 8200 STROKER CRANKSHAFT EXTENDS THE GY6 STROKE FROM 57.8 TO 66mm ADDING A 8.2mm LONGER STROKE. ADD TO: 61mm KIT = 171cc 63mm KIT = 206cc 65mm KIT= 219cc 66mm KIT =... MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare Quick view TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT TTMRC GY6 232CC 67mm 4V CYLINDER KIT GY6 67mm CERAMIC COATED CYLINDER KIT WITH FORGED PISTON FOR 4V CYGNUS STYLE CYLINDER HEAD. FITS B-BLOCK CASE GY6 4-STROKE ENGINES AND WHEN USED WITH A 66mm (+8.2MM) STROKER CRANK... MSRP: Now: $369.85 Add to Cart Compare Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR MSRP: Now: $39.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) TAIDA GY6 8200 CRANKSHAFT +8.2mm STROKER (66mm) TAIDA GY6 8200 STROKER CRANKSHAFT EXTENDS THE GY6 STROKE FROM 57.8 TO 66mm ADDING A 8.2mm LONGER STROKE. ADD TO: 61mm KIT = 171cc 63mm KIT = 206cc 65mm KIT= 219cc 66mm KIT =... MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare Quick view TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT TTMRC GY6 232CC 67mm 4V CYLINDER KIT GY6 67mm CERAMIC COATED CYLINDER KIT WITH FORGED PISTON FOR 4V CYGNUS STYLE CYLINDER HEAD. FITS B-BLOCK CASE GY6 4-STROKE ENGINES AND WHEN USED WITH A 66mm (+8.2MM) STROKER CRANK... MSRP: Now: $369.85 Add to Cart Compare Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
SALE Quick view SSP-G | sku: 169-571 SSP-G CRANKSHAFT GY6 +8.2mm STROKER (66mm) TAIDA GY6 8200 CRANKSHAFT +8.2mm STROKER (66mm) TAIDA GY6 8200 STROKER CRANKSHAFT EXTENDS THE GY6 STROKE FROM 57.8 TO 66mm ADDING A 8.2mm LONGER STROKE. ADD TO: 61mm KIT = 171cc 63mm KIT = 206cc 65mm KIT= 219cc 66mm KIT =... MSRP: $349.95 Was: $349.95 Now: $289.99 Add to Cart Compare
Quick view TTMRC | sku: 169-573 TTMRC GY6 232cc 67mm 4V *4 VALVE* CYLINDER KIT TTMRC GY6 232CC 67mm 4V CYLINDER KIT GY6 67mm CERAMIC COATED CYLINDER KIT WITH FORGED PISTON FOR 4V CYGNUS STYLE CYLINDER HEAD. FITS B-BLOCK CASE GY6 4-STROKE ENGINES AND WHEN USED WITH A 66mm (+8.2MM) STROKER CRANK... MSRP: Now: $369.85 Add to Cart Compare Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view GY6 STORE | sku: 61kit3 (172cc BORE) 61mm BIG BORE KIT FOR SCOOTER ATV KART 150cc GY6 MOTORS *TYPE 3* 172cc BIG BORE KIT FOR CHINESE SCOOTERS61mm BORE OUTSIDE CYLINDER DIAMETER IS 64mm WILL REQUIRE BORING THE BLOCK ON MOST MODELS THIS IS FOR *54mm SPACING* A-BLOCK *YOU WILL NEED TO... MSRP: Now: $99.95 Add to Cart Compare Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view SSP-G | sku: TTMRC01 TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) CLASS B-BLOCK *57mm SPACING* TTMRC GY6 232cc LONG CASE CRANKCASE (67mm) BORE *57mm SPACING* B-BLOCK 70mm CLYINDER BORE CAN BE USED WITH 2V OR 4V CYLINDER HEAD NO BORING REQUIRED, ALREADY SET TO 70mm BORE CAN BE USED WITH 61mm, 63mm, 65mm, 66mm, 67mm... MSRP: Now: $399.95 Add to Cart Compare Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view GY6 STORE | sku: JOG70cc12 70cc *47mm BORE* 2 STROKE BIG BORE REBUILD KIT FOR SCOOTERS WITH JOG MINARELLI CLONE MOTORS (12mm PIN) 70cc 2-STROKE BIG BORE KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN ***INCLUDES WRIST PIN BEARING*** WRIST PIN LENGTH: 36.8mm WRIST PIN DIAMETER: 10mm PISTON DIAMETER:... MSRP: Now: $59.95 Add to Cart Compare Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view TAIDA | sku: TAIDA61A4 TAIDA 4-VALVE 4V FORGED DOME PISTON AND RINGS SET FOR 61mm / 172cc ENGINES TAIDA HIGH PERFORMANCE GY6 FORGED 4-VALVE DOME PISTON AND RING SET 61mm / 172cc PISTON FOR 22mm / 21mm VALVE SETS *NEW* PISTON & RING SET 61mm *TAIDA KITS CAN BE PURCHASED IN OUR... MSRP: Now: $139.95 Out of stock Compare Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view SSP-G | sku: 169-531B SSP-G GY6 232cc 4V ENGINE POWER KIT SSP-G 232CC BIG BORE KIT AND 4V CYGNUS STYLE HEAD FOR GY6 ENGINES. THIS COMPLETE POWER KIT COMES WITH A 67MM CYLINDER KIT AND MATCHING CRANKCASE. THIS MEANS THERE IS NO MACHINING OF THE CRANKCASE REQUIRED! THE CRANKCASE IS ALSO... MSRP: Now: $1,813.50 Add to Cart Compare Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view TAIDA | sku: 179-22 TFC 63mm Cylinder And Stroker Crankshaft Kit - GY6 63MM TFC CYLINDER AND HEAD, A8 HIGH LIFT CAM, AND +3.0MM STROKER CRANK KIT FOR GY6 150CC VEHICLES WITH A-CASE ENGINES. 190CC DISPLACEMENT! CYLINDER BORE: 63MM CYLINDER STUD SPACING: 54MM (A CASE) EXHAUST VALVE: 23MM INTAKE VALVE:... MSRP: Now: $699.95 Add to Cart Compare Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view TTMRC | sku: 169-572 TTMRC 4V OVERSIZED CYLINDER HEAD KIT 67mm (57mm SPACING) 232cc *25/22 VALVES* TTMRC 4V OVERSIZED CYLINDER HEAD KIT 232cc (57mm SPACING) *B-BLOCK* SSP-G GY6 67MM (232cc) 4V CYGNUS STYLE CYLINDER HEAD FOR B-CASE GY6 4-STROKE ENGINES. HEAD INCLUDES CAM, ROLLER ROCKERS, ANODIZED... MSRP: Now: $798.95 Add to Cart Compare Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view GY6 STORE | sku: 164-336 K-BLOCK (QMK) GY6 CYLINDER *57.4mm BORE* / 57mm STUD SPACING (NOT FOR B-BLOCK) GY6 K-BLOCK 172cc / 180cc / 200cc CYLINDER FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** MOSTLY FOUND ON ATV AND KARTS BORE: 57.4MMCYLINDER STUD SPACING (DIAGONAL):... MSRP: Now: $69.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected × OK
Quick view GY6 STORE | sku: 90091, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected
Quick view GY6 STORE | sku: 88810, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Previous 1 2 3 4 5 6 7 8 9 Next Previous 1 2 3 4 5 6 7 8 9 Next Compare Selected