TB Parts 52mm V2 Race Head Upgrade Kit - CRF50 XR50 CRF70 XR70 Z50 - TBW9102

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NEW! Roller Rocker V2 Race Head Performance Kit: TBW9102

Includes the following:

- 52mm high compression piston with rings, pin, & clips
- Head gasket kit and clutch cover gasket.
- High performance race camshaft (for the V2 Race Head only)

- Has Roller Rocker Arms exactly like the V2 head for the KLX110
- 28.5mm intake Valve
- 23.5mm Exhaust Valve
- 5mm Valve Stem
- 26mm Intake Port - Matches Intake Manifold Kit TBW0433
- 23mm Exhaust port
- All pistons in the kits are new and have CNC machined piston domes
- Head kits include all hardware
- Head kits Include all covers (Billet Dress up kits and Breathers will be available later)

- Includes all necessary parts and comes assembled! The exhaust valve has been upgraded to stainless steel (21-4N material)