143cc Yamaha TTR 110 TT-R 110E Big Bore Kit Performance Parts/Honda/CRF 150 F /Carburetor Performance Cylinder Head with big

Performance Cylinder Head with big valves 22-19mm size for Yamaha NVX 125cc 155cc

We have also customize the cylinder head to fit with the new rocker arm

– Rear Brake Caliper

Thick is 6mm

KLX140 Big Bore Kit 170cc Ceramic Cylinder With Forged Piston

143cc Yamaha TTR 110 TT-R 110E Big Bore Kit Performance Parts/Honda/CRF 150 F /Carburetor Performance Cylinder Head with bigYamaha TTR110 2008 2025 Big Bore Cylinder 143cc Kit Piston size is 58mm 142. 6 cc This kit comes complete with a New Cylinder 58mm Piston Pin Rings Clips gaskets Please note this kit needs to bore the case crankcase. Outer cylinder sleeve diameter is 63mm Add Camshaft Bearings for this kit, click THIS