***NEW**TB Parts Race head for 88cc (52mm) bore kits
- NEW TB 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!
- 52mm piston with rings, pin, & clips.
- High performance race camshaft (for the Race Head only)
- Head gasket kit.
- Intake kit for the race head - will match the race had much much better than intakes intended for the stock head.
6/26/06 Race Head has been updated for even more performance! It now has 25/22mm valves with better porting/flow. TB kept the combustion chamber the same size and changed the angle of the valves slightly. This kit is for upgrading 88cc bore kits with a stock head to the Race head. You should have your existing cylinder honed (unless its new) prior to installing this kit.
- Honda Z50 88-up
- Honda XR50 all years
- Honda CRF50 04 - Present
- TBW0365 Piston
- TBW0206 Gaskets
- TBW0273 Intake Manifold
- TBW0300 Race Cam
- TBW0949 Race Head & Valves Assembly