This kit is for replacement on the TB Parts bore kits we sell. This DOES NOT work with stock piston. Must use a TB Parts (or similar) piston with proper valve reliefs.
Cam NOT included.
Race Head w/ large valves (25mm intake & 22mm exhaust) and better flow for increased performance.
Bigger cooling fins. Includes all necessary parts and comes assembled
THIS TAKES THE CRF70 2 BALL BEARING TYPE CAMS SEE (200033)
