Overview Reviews Product Description NCY BIG VALVE RACING CYLINDER HEAD FITS 52mm (81cc) BORE CYLINDERS 64mm 2-VALVE: 21.5mm INTAKE / 19mm EXHAUST FACTORY PORTED: 24mm INTAKE / 22mm EXHAUST PAIR WITH NCY 52MM CYLINDER KIT FOR A 88cc BIG BORE KIT. THIS ITEM CAN BE FOUND IN OUR STORE MADE IN TAIWAN Product Videos Custom Field Product Reviews Write a Review Write a Review × NCY NCY BIG VALVE RACING CYLINDER HEAD (52mm, 88cc) FOR QMB139 MOTORS Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *
Quick view Details SSP-G | sku: 169-380 SSP-G QMB139 52mm PISTON & PISTON RINGS KIT MSRP: Now: $36.95 Add to Cart Quick view Details SSP-G | sku: 169-343 SSP-G 52mm BIG BORE RACING HEAD FOR 50cc QMB139 MOTORS MSRP: Now: $143.95 Add to Cart Quick view Details TAIDA | sku: GY650-020-23/20 TAIDA BIG VALVE CYLINDER HEAD (FOR 50mm & 52mm CYLINDER , 23 / 20 VALVES) FOR QMB139 MOTORS MSRP: Now: $119.95 Add to Cart Quick view Details TAIDA | sku: GY650-01052 TAIDA 52mm (88cc) QMB139 CYLINDER SET (54mm SPACING) WITH CAST PISTON MSRP: Now: $79.95 Out of stock SALE Quick view Details NCY | sku: 1100-1248 NCY BIG BORE CYLINDER KIT (52mm BORE, 88cc) FOR QMB139 50cc ENGINES MSRP: $140.00 Was: $140.00 Now: $130.00 Add to Cart
Quick view Details SSP-G | sku: 169-343 SSP-G 52mm BIG BORE RACING HEAD FOR 50cc QMB139 MOTORS MSRP: Now: $143.95 Add to Cart Quick view Details TAIDA | sku: GY650-020-23/20 TAIDA BIG VALVE CYLINDER HEAD (FOR 50mm & 52mm CYLINDER , 23 / 20 VALVES) FOR QMB139 MOTORS MSRP: Now: $119.95 Add to Cart Quick view Details TAIDA | sku: GY650-01052 TAIDA 52mm (88cc) QMB139 CYLINDER SET (54mm SPACING) WITH CAST PISTON MSRP: Now: $79.95 Out of stock SALE Quick view Details NCY | sku: 1100-1248 NCY BIG BORE CYLINDER KIT (52mm BORE, 88cc) FOR QMB139 50cc ENGINES MSRP: $140.00 Was: $140.00 Now: $130.00 Add to Cart
Quick view Details TAIDA | sku: GY650-020-23/20 TAIDA BIG VALVE CYLINDER HEAD (FOR 50mm & 52mm CYLINDER , 23 / 20 VALVES) FOR QMB139 MOTORS MSRP: Now: $119.95 Add to Cart Quick view Details TAIDA | sku: GY650-01052 TAIDA 52mm (88cc) QMB139 CYLINDER SET (54mm SPACING) WITH CAST PISTON MSRP: Now: $79.95 Out of stock SALE Quick view Details NCY | sku: 1100-1248 NCY BIG BORE CYLINDER KIT (52mm BORE, 88cc) FOR QMB139 50cc ENGINES MSRP: $140.00 Was: $140.00 Now: $130.00 Add to Cart
Quick view Details TAIDA | sku: GY650-01052 TAIDA 52mm (88cc) QMB139 CYLINDER SET (54mm SPACING) WITH CAST PISTON MSRP: Now: $79.95 Out of stock SALE Quick view Details NCY | sku: 1100-1248 NCY BIG BORE CYLINDER KIT (52mm BORE, 88cc) FOR QMB139 50cc ENGINES MSRP: $140.00 Was: $140.00 Now: $130.00 Add to Cart
SALE Quick view Details NCY | sku: 1100-1248 NCY BIG BORE CYLINDER KIT (52mm BORE, 88cc) FOR QMB139 50cc ENGINES MSRP: $140.00 Was: $140.00 Now: $130.00 Add to Cart