108cc Stroker Bore Kit #3 - TB Parts - TBW0968 - '88-Current Honda CRF XR Z 50 and 70

108cc Stroker Bore Kit #3 - TB Parts - TBW0968Fits:'88-Current Honda CRF50 CRF70 XR50 XR70 & Z50 Stroker Kit 3 This kit is the complete kit to convert your stock motor into a powerful open class 108cc engine (much more powerful than the common Chinese 107 and 125cc engines). Also, this crank was made specifically for the newer engines and thus, you will not have any fitment issues like trimming the piston skirts in order to clear the crank or the piston not lining up with the cylinder deck. The kit includes the following parts: - 51mm Crankshaft with NTN bearings- High compression piston with rings, pin, & clips- NEW Race Head – Larger valves (now 25/22mm) and better flow for increased performance. Also has bigger cooling fins. Includes all necessary parts and comes assembled!- Lightweight aluminum cylinder with steel sleeve, cast in mounts for skid plates, and larger cooling fins.- High performance race camshaft - NEW Genuine Mikuni VM26mm Performance Carb- Intake Kit- Jet