SALE Quick view Details TAIDA | sku: JOG50-01047a-dr10 TAIDA (47mm BORE) ALUMINUM CERAMIC CYLINDER BIG BORE KIT (10mm) JOG MINARELLI MSRP: $219.95 Was: $219.95 Now: $198.39 Add to Cart Compare
Quick view Details TAIDA | sku: GY6-01054-78W TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) PERFORMANCE FOR GY6 (54mm SPACING) 28/23 VALVES MSRP: Now: $229.95 Choose Options Compare SALE Quick view Details TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare Quick view Details TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS MSRP: Now: $74.95 Add to Cart Compare Quick view Details TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS MSRP: Now: $64.95 Add to Cart Compare Quick view Details TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS MSRP: Now: $64.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS MSRP: Now: $22.95 Out of stock Compare Quick view Details GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare SALE Quick view TAIDA | sku: JOG50-01047a-dr10 TAIDA (47mm BORE) ALUMINUM CERAMIC CYLINDER BIG BORE KIT (10mm) JOG MINARELLI TAIDA 72cc (47mm BORE) *ALUMINUM CERAMIC* CYLINDER BIG BORE KIT JOG MINARELLI ALUMINUM = LIGHTER AND STRONGER CERAMIC = WITH STANDS MORE HEAT (HIGHER RPM) PERFECT FIT FOR A YAMAHA JOG, ZUMA OR GENUINE BUDDY 50 OR ROUGHHOUSE 50... MSRP: $219.95 Was: $219.95 Now: $198.39 Add to Cart Compare Quick view TAIDA | sku: GY6-01054-78W TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) PERFORMANCE FOR GY6 (54mm SPACING) 28/23 VALVES TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) HIGH PERFORMANCE FOR GY6 MOTORS DROP IN KIT FOR GY6 SCOOTER 54mm STUD SPACING (A BLOCK) INCLUDES 28/23 TAIDA CYLINDER HEAD WITH VALVES INSTALLED (FITS:54mm) 61mm TAIDA CYLINDER... MSRP: Now: $229.95 Choose Options Compare SALE Quick view TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* TAIDA PERFORMANCE GY6 *J-300* 170cc - 232cc SET UP FITS 57mm SPACING *B-BLOCK* THIS IS THE NEW EASY START SET UP NO NEED FOR SPECIAL STARTER OR BATTERY GREAT FOR YOU GY6 HONDA RUCKUS BUILDS GREAT FOR YOU POLARIS RAZOR 170... MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare Quick view TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (18*36) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 18*36 IS LONGER BY 35% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $74.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
SALE Quick view Details TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare
Quick view Details TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS MSRP: Now: $74.95 Add to Cart Compare Quick view Details TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS MSRP: Now: $64.95 Add to Cart Compare Quick view Details TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS MSRP: Now: $64.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS MSRP: Now: $22.95 Out of stock Compare Quick view Details GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare SALE Quick view TAIDA | sku: JOG50-01047a-dr10 TAIDA (47mm BORE) ALUMINUM CERAMIC CYLINDER BIG BORE KIT (10mm) JOG MINARELLI TAIDA 72cc (47mm BORE) *ALUMINUM CERAMIC* CYLINDER BIG BORE KIT JOG MINARELLI ALUMINUM = LIGHTER AND STRONGER CERAMIC = WITH STANDS MORE HEAT (HIGHER RPM) PERFECT FIT FOR A YAMAHA JOG, ZUMA OR GENUINE BUDDY 50 OR ROUGHHOUSE 50... MSRP: $219.95 Was: $219.95 Now: $198.39 Add to Cart Compare Quick view TAIDA | sku: GY6-01054-78W TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) PERFORMANCE FOR GY6 (54mm SPACING) 28/23 VALVES TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) HIGH PERFORMANCE FOR GY6 MOTORS DROP IN KIT FOR GY6 SCOOTER 54mm STUD SPACING (A BLOCK) INCLUDES 28/23 TAIDA CYLINDER HEAD WITH VALVES INSTALLED (FITS:54mm) 61mm TAIDA CYLINDER... MSRP: Now: $229.95 Choose Options Compare SALE Quick view TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* TAIDA PERFORMANCE GY6 *J-300* 170cc - 232cc SET UP FITS 57mm SPACING *B-BLOCK* THIS IS THE NEW EASY START SET UP NO NEED FOR SPECIAL STARTER OR BATTERY GREAT FOR YOU GY6 HONDA RUCKUS BUILDS GREAT FOR YOU POLARIS RAZOR 170... MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare Quick view TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (18*36) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 18*36 IS LONGER BY 35% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $74.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS MSRP: Now: $64.95 Add to Cart Compare Quick view Details TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS MSRP: Now: $64.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS MSRP: Now: $22.95 Out of stock Compare Quick view Details GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare SALE Quick view TAIDA | sku: JOG50-01047a-dr10 TAIDA (47mm BORE) ALUMINUM CERAMIC CYLINDER BIG BORE KIT (10mm) JOG MINARELLI TAIDA 72cc (47mm BORE) *ALUMINUM CERAMIC* CYLINDER BIG BORE KIT JOG MINARELLI ALUMINUM = LIGHTER AND STRONGER CERAMIC = WITH STANDS MORE HEAT (HIGHER RPM) PERFECT FIT FOR A YAMAHA JOG, ZUMA OR GENUINE BUDDY 50 OR ROUGHHOUSE 50... MSRP: $219.95 Was: $219.95 Now: $198.39 Add to Cart Compare Quick view TAIDA | sku: GY6-01054-78W TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) PERFORMANCE FOR GY6 (54mm SPACING) 28/23 VALVES TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) HIGH PERFORMANCE FOR GY6 MOTORS DROP IN KIT FOR GY6 SCOOTER 54mm STUD SPACING (A BLOCK) INCLUDES 28/23 TAIDA CYLINDER HEAD WITH VALVES INSTALLED (FITS:54mm) 61mm TAIDA CYLINDER... MSRP: Now: $229.95 Choose Options Compare SALE Quick view TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* TAIDA PERFORMANCE GY6 *J-300* 170cc - 232cc SET UP FITS 57mm SPACING *B-BLOCK* THIS IS THE NEW EASY START SET UP NO NEED FOR SPECIAL STARTER OR BATTERY GREAT FOR YOU GY6 HONDA RUCKUS BUILDS GREAT FOR YOU POLARIS RAZOR 170... MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare Quick view TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (18*36) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 18*36 IS LONGER BY 35% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $74.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS MSRP: Now: $64.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS MSRP: Now: $22.95 Out of stock Compare Quick view Details GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare SALE Quick view TAIDA | sku: JOG50-01047a-dr10 TAIDA (47mm BORE) ALUMINUM CERAMIC CYLINDER BIG BORE KIT (10mm) JOG MINARELLI TAIDA 72cc (47mm BORE) *ALUMINUM CERAMIC* CYLINDER BIG BORE KIT JOG MINARELLI ALUMINUM = LIGHTER AND STRONGER CERAMIC = WITH STANDS MORE HEAT (HIGHER RPM) PERFECT FIT FOR A YAMAHA JOG, ZUMA OR GENUINE BUDDY 50 OR ROUGHHOUSE 50... MSRP: $219.95 Was: $219.95 Now: $198.39 Add to Cart Compare Quick view TAIDA | sku: GY6-01054-78W TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) PERFORMANCE FOR GY6 (54mm SPACING) 28/23 VALVES TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) HIGH PERFORMANCE FOR GY6 MOTORS DROP IN KIT FOR GY6 SCOOTER 54mm STUD SPACING (A BLOCK) INCLUDES 28/23 TAIDA CYLINDER HEAD WITH VALVES INSTALLED (FITS:54mm) 61mm TAIDA CYLINDER... MSRP: Now: $229.95 Choose Options Compare SALE Quick view TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* TAIDA PERFORMANCE GY6 *J-300* 170cc - 232cc SET UP FITS 57mm SPACING *B-BLOCK* THIS IS THE NEW EASY START SET UP NO NEED FOR SPECIAL STARTER OR BATTERY GREAT FOR YOU GY6 HONDA RUCKUS BUILDS GREAT FOR YOU POLARIS RAZOR 170... MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare Quick view TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (18*36) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 18*36 IS LONGER BY 35% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $74.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS MSRP: Now: $22.95 Out of stock Compare Quick view Details GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare SALE Quick view TAIDA | sku: JOG50-01047a-dr10 TAIDA (47mm BORE) ALUMINUM CERAMIC CYLINDER BIG BORE KIT (10mm) JOG MINARELLI TAIDA 72cc (47mm BORE) *ALUMINUM CERAMIC* CYLINDER BIG BORE KIT JOG MINARELLI ALUMINUM = LIGHTER AND STRONGER CERAMIC = WITH STANDS MORE HEAT (HIGHER RPM) PERFECT FIT FOR A YAMAHA JOG, ZUMA OR GENUINE BUDDY 50 OR ROUGHHOUSE 50... MSRP: $219.95 Was: $219.95 Now: $198.39 Add to Cart Compare Quick view TAIDA | sku: GY6-01054-78W TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) PERFORMANCE FOR GY6 (54mm SPACING) 28/23 VALVES TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) HIGH PERFORMANCE FOR GY6 MOTORS DROP IN KIT FOR GY6 SCOOTER 54mm STUD SPACING (A BLOCK) INCLUDES 28/23 TAIDA CYLINDER HEAD WITH VALVES INSTALLED (FITS:54mm) 61mm TAIDA CYLINDER... MSRP: Now: $229.95 Choose Options Compare SALE Quick view TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* TAIDA PERFORMANCE GY6 *J-300* 170cc - 232cc SET UP FITS 57mm SPACING *B-BLOCK* THIS IS THE NEW EASY START SET UP NO NEED FOR SPECIAL STARTER OR BATTERY GREAT FOR YOU GY6 HONDA RUCKUS BUILDS GREAT FOR YOU POLARIS RAZOR 170... MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare Quick view TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (18*36) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 18*36 IS LONGER BY 35% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $74.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare SALE Quick view TAIDA | sku: JOG50-01047a-dr10 TAIDA (47mm BORE) ALUMINUM CERAMIC CYLINDER BIG BORE KIT (10mm) JOG MINARELLI TAIDA 72cc (47mm BORE) *ALUMINUM CERAMIC* CYLINDER BIG BORE KIT JOG MINARELLI ALUMINUM = LIGHTER AND STRONGER CERAMIC = WITH STANDS MORE HEAT (HIGHER RPM) PERFECT FIT FOR A YAMAHA JOG, ZUMA OR GENUINE BUDDY 50 OR ROUGHHOUSE 50... MSRP: $219.95 Was: $219.95 Now: $198.39 Add to Cart Compare Quick view TAIDA | sku: GY6-01054-78W TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) PERFORMANCE FOR GY6 (54mm SPACING) 28/23 VALVES TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) HIGH PERFORMANCE FOR GY6 MOTORS DROP IN KIT FOR GY6 SCOOTER 54mm STUD SPACING (A BLOCK) INCLUDES 28/23 TAIDA CYLINDER HEAD WITH VALVES INSTALLED (FITS:54mm) 61mm TAIDA CYLINDER... MSRP: Now: $229.95 Choose Options Compare SALE Quick view TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* TAIDA PERFORMANCE GY6 *J-300* 170cc - 232cc SET UP FITS 57mm SPACING *B-BLOCK* THIS IS THE NEW EASY START SET UP NO NEED FOR SPECIAL STARTER OR BATTERY GREAT FOR YOU GY6 HONDA RUCKUS BUILDS GREAT FOR YOU POLARIS RAZOR 170... MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare Quick view TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (18*36) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 18*36 IS LONGER BY 35% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $74.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare SALE Quick view TAIDA | sku: JOG50-01047a-dr10 TAIDA (47mm BORE) ALUMINUM CERAMIC CYLINDER BIG BORE KIT (10mm) JOG MINARELLI TAIDA 72cc (47mm BORE) *ALUMINUM CERAMIC* CYLINDER BIG BORE KIT JOG MINARELLI ALUMINUM = LIGHTER AND STRONGER CERAMIC = WITH STANDS MORE HEAT (HIGHER RPM) PERFECT FIT FOR A YAMAHA JOG, ZUMA OR GENUINE BUDDY 50 OR ROUGHHOUSE 50... MSRP: $219.95 Was: $219.95 Now: $198.39 Add to Cart Compare Quick view TAIDA | sku: GY6-01054-78W TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) PERFORMANCE FOR GY6 (54mm SPACING) 28/23 VALVES TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) HIGH PERFORMANCE FOR GY6 MOTORS DROP IN KIT FOR GY6 SCOOTER 54mm STUD SPACING (A BLOCK) INCLUDES 28/23 TAIDA CYLINDER HEAD WITH VALVES INSTALLED (FITS:54mm) 61mm TAIDA CYLINDER... MSRP: Now: $229.95 Choose Options Compare SALE Quick view TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* TAIDA PERFORMANCE GY6 *J-300* 170cc - 232cc SET UP FITS 57mm SPACING *B-BLOCK* THIS IS THE NEW EASY START SET UP NO NEED FOR SPECIAL STARTER OR BATTERY GREAT FOR YOU GY6 HONDA RUCKUS BUILDS GREAT FOR YOU POLARIS RAZOR 170... MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare Quick view TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (18*36) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 18*36 IS LONGER BY 35% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $74.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare SALE Quick view TAIDA | sku: JOG50-01047a-dr10 TAIDA (47mm BORE) ALUMINUM CERAMIC CYLINDER BIG BORE KIT (10mm) JOG MINARELLI TAIDA 72cc (47mm BORE) *ALUMINUM CERAMIC* CYLINDER BIG BORE KIT JOG MINARELLI ALUMINUM = LIGHTER AND STRONGER CERAMIC = WITH STANDS MORE HEAT (HIGHER RPM) PERFECT FIT FOR A YAMAHA JOG, ZUMA OR GENUINE BUDDY 50 OR ROUGHHOUSE 50... MSRP: $219.95 Was: $219.95 Now: $198.39 Add to Cart Compare Quick view TAIDA | sku: GY6-01054-78W TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) PERFORMANCE FOR GY6 (54mm SPACING) 28/23 VALVES TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) HIGH PERFORMANCE FOR GY6 MOTORS DROP IN KIT FOR GY6 SCOOTER 54mm STUD SPACING (A BLOCK) INCLUDES 28/23 TAIDA CYLINDER HEAD WITH VALVES INSTALLED (FITS:54mm) 61mm TAIDA CYLINDER... MSRP: Now: $229.95 Choose Options Compare SALE Quick view TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* TAIDA PERFORMANCE GY6 *J-300* 170cc - 232cc SET UP FITS 57mm SPACING *B-BLOCK* THIS IS THE NEW EASY START SET UP NO NEED FOR SPECIAL STARTER OR BATTERY GREAT FOR YOU GY6 HONDA RUCKUS BUILDS GREAT FOR YOU POLARIS RAZOR 170... MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare Quick view TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (18*36) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 18*36 IS LONGER BY 35% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $74.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare SALE Quick view TAIDA | sku: JOG50-01047a-dr10 TAIDA (47mm BORE) ALUMINUM CERAMIC CYLINDER BIG BORE KIT (10mm) JOG MINARELLI TAIDA 72cc (47mm BORE) *ALUMINUM CERAMIC* CYLINDER BIG BORE KIT JOG MINARELLI ALUMINUM = LIGHTER AND STRONGER CERAMIC = WITH STANDS MORE HEAT (HIGHER RPM) PERFECT FIT FOR A YAMAHA JOG, ZUMA OR GENUINE BUDDY 50 OR ROUGHHOUSE 50... MSRP: $219.95 Was: $219.95 Now: $198.39 Add to Cart Compare Quick view TAIDA | sku: GY6-01054-78W TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) PERFORMANCE FOR GY6 (54mm SPACING) 28/23 VALVES TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) HIGH PERFORMANCE FOR GY6 MOTORS DROP IN KIT FOR GY6 SCOOTER 54mm STUD SPACING (A BLOCK) INCLUDES 28/23 TAIDA CYLINDER HEAD WITH VALVES INSTALLED (FITS:54mm) 61mm TAIDA CYLINDER... MSRP: Now: $229.95 Choose Options Compare SALE Quick view TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* TAIDA PERFORMANCE GY6 *J-300* 170cc - 232cc SET UP FITS 57mm SPACING *B-BLOCK* THIS IS THE NEW EASY START SET UP NO NEED FOR SPECIAL STARTER OR BATTERY GREAT FOR YOU GY6 HONDA RUCKUS BUILDS GREAT FOR YOU POLARIS RAZOR 170... MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare Quick view TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (18*36) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 18*36 IS LONGER BY 35% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $74.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS MSRP: Now: $19.95 Add to Cart Compare SALE Quick view TAIDA | sku: JOG50-01047a-dr10 TAIDA (47mm BORE) ALUMINUM CERAMIC CYLINDER BIG BORE KIT (10mm) JOG MINARELLI TAIDA 72cc (47mm BORE) *ALUMINUM CERAMIC* CYLINDER BIG BORE KIT JOG MINARELLI ALUMINUM = LIGHTER AND STRONGER CERAMIC = WITH STANDS MORE HEAT (HIGHER RPM) PERFECT FIT FOR A YAMAHA JOG, ZUMA OR GENUINE BUDDY 50 OR ROUGHHOUSE 50... MSRP: $219.95 Was: $219.95 Now: $198.39 Add to Cart Compare Quick view TAIDA | sku: GY6-01054-78W TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) PERFORMANCE FOR GY6 (54mm SPACING) 28/23 VALVES TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) HIGH PERFORMANCE FOR GY6 MOTORS DROP IN KIT FOR GY6 SCOOTER 54mm STUD SPACING (A BLOCK) INCLUDES 28/23 TAIDA CYLINDER HEAD WITH VALVES INSTALLED (FITS:54mm) 61mm TAIDA CYLINDER... MSRP: Now: $229.95 Choose Options Compare SALE Quick view TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* TAIDA PERFORMANCE GY6 *J-300* 170cc - 232cc SET UP FITS 57mm SPACING *B-BLOCK* THIS IS THE NEW EASY START SET UP NO NEED FOR SPECIAL STARTER OR BATTERY GREAT FOR YOU GY6 HONDA RUCKUS BUILDS GREAT FOR YOU POLARIS RAZOR 170... MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare Quick view TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (18*36) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 18*36 IS LONGER BY 35% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $74.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
SALE Quick view TAIDA | sku: JOG50-01047a-dr10 TAIDA (47mm BORE) ALUMINUM CERAMIC CYLINDER BIG BORE KIT (10mm) JOG MINARELLI TAIDA 72cc (47mm BORE) *ALUMINUM CERAMIC* CYLINDER BIG BORE KIT JOG MINARELLI ALUMINUM = LIGHTER AND STRONGER CERAMIC = WITH STANDS MORE HEAT (HIGHER RPM) PERFECT FIT FOR A YAMAHA JOG, ZUMA OR GENUINE BUDDY 50 OR ROUGHHOUSE 50... MSRP: $219.95 Was: $219.95 Now: $198.39 Add to Cart Compare
Quick view TAIDA | sku: GY6-01054-78W TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) PERFORMANCE FOR GY6 (54mm SPACING) 28/23 VALVES TAIDA 172cc 61mm BIG BORE KIT (OD 62.7) HIGH PERFORMANCE FOR GY6 MOTORS DROP IN KIT FOR GY6 SCOOTER 54mm STUD SPACING (A BLOCK) INCLUDES 28/23 TAIDA CYLINDER HEAD WITH VALVES INSTALLED (FITS:54mm) 61mm TAIDA CYLINDER... MSRP: Now: $229.95 Choose Options Compare SALE Quick view TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* TAIDA PERFORMANCE GY6 *J-300* 170cc - 232cc SET UP FITS 57mm SPACING *B-BLOCK* THIS IS THE NEW EASY START SET UP NO NEED FOR SPECIAL STARTER OR BATTERY GREAT FOR YOU GY6 HONDA RUCKUS BUILDS GREAT FOR YOU POLARIS RAZOR 170... MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare Quick view TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (18*36) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 18*36 IS LONGER BY 35% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $74.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
SALE Quick view TAIDA | sku: GY6-J-300 CS TAIDA J-300 CAMSHAFT & CYLINDER HEAD NEW EASY START SET UP FOR GY6 / POLARIS 170 *57mm SPACING* TAIDA PERFORMANCE GY6 *J-300* 170cc - 232cc SET UP FITS 57mm SPACING *B-BLOCK* THIS IS THE NEW EASY START SET UP NO NEED FOR SPECIAL STARTER OR BATTERY GREAT FOR YOU GY6 HONDA RUCKUS BUILDS GREAT FOR YOU POLARIS RAZOR 170... MSRP: $399.95 Was: $399.95 Now: $360.00 Add to Cart Compare
Quick view TAIDA | sku: GY6-GEAR-1836 TAIDA GEAR SET (18*36) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (18*36) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 18*36 IS LONGER BY 35% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $74.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view TAIDA | sku: GY6-gear1537P TAIDA GEAR SET (15*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (15*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 15*37 IS LONGER BY 20% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view TAIDA | sku: GY6-gear1637 TAIDA GEAR SET (16*37) DROP IN PRE PRESSED GEAR SET FOR 150cc - 232cc GY6 MOTORS TAIDA PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE TAIDA GEARS SET 16*37 IS LONGER BY 25% FROM THE STOCK (13/40 TEETH) WHICH WILL... MSRP: Now: $64.95 Add to Cart Compare Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view GY6 STORE | sku: 90099 150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH:... MSRP: Now: $22.95 Out of stock Compare Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view GY6 STORE | sku: 80106 150cc (57mm BORE) CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS 150cc CYLINDER HEAD WITH VALVES INSTALLED FOR MOTORS WITH 57mm CYLINDER BORE OVERALL HEIGHT: 60mm INTAKE PORT DIAMETER: 24mm EXHAUST PORT DIAMETER: 24mm INTAKE VALVE VALVE DIAMETER: 27.75mm LENGTH: 66mm SHAFT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view GY6 STORE | sku: 90091 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view GY6 STORE | sku: 88810 81cc / 100cc (50mm BORE) EGR STYLE CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc EGR STYLE CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* EGR STYLE CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view GY6 STORE | sku: 90089 81cc / 100cc (50mm BORE) CYLINDER HEAD *69mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected
Quick view GY6 STORE | sku: 90093 81cc / 100cc (50mm BORE) CYLINDER HEAD *64mm VALVES* FOR QMB139 MOTORS 81cc / 100cc CYLINDER HEAD WITH 64mm VALVES INSTALLED FOR MOTORS WITH 50mm CYLINDER BORE* CYLINDER HEAD * 50mm BORE * VALVE LENGTH: 64mm * OVERALL HEIGHT: 59.60mm * INTAKE PORT DIAMETER: 18mm * EXHAUST PORT DIAMETER:... MSRP: Now: $19.95 Add to Cart Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected