88cc V2 Race Head Big Bore Kit - CRF50 XR50 CRF70 XR70 Z50 - TBW9105 tbw0125 ported manifold

ported manifold

- Stainless Steel Valves (21-4N material)

1-PISTON PIN

These are definitely not the cheaper poor quality aluminum Chinese $75

This kit is for upgrading TB 88cc bore kits with the old Race Head to the newest Race Head released June 2006

88cc V2 Race Head Big Bore Kit - CRF50 XR50 CRF70 XR70 Z50 - TBW9105 tbw0125 ported manifoldNEW! Roller Rocker V2 Race Head Performance Kit: TB Parts 88cc (52mm) V2 Race Head Big Bore Kit. This kit converts a stock 50 and 70 to 88cc. Features: 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