Trail Bikes Roller Rocker Head V2 Kit For 88cc & 108cc for Fits: Honda Z50 (1988-1999 ONLY) Honda XR50 - CRF50 Honda XR70 - CRF70 Honda CT70 (1991-1994 ONLY) Features: -Roller Rocker Arms -28.5mm with 5mm valve stem intake valve -23.5mm with 5mm valve stem exhaust valve -23mm Exhaust port -Matching High Compression Piston -Head kits include all hardware -52mm piston with rings - pin - & clips. -High performance race camshaft (for Race Head only) -Head gasket kit. -Race fuel not needed will run better with that but will run on premium fuel
- Roller Rocker Arms exactly like the V2 head for the KLX110
- 28.5mm intake Valve
- 23.5mm Exhaust Valve
- 5mm Valve Stem
- 23mm Exhaust port
- Matching High Compression Piston
- Head kits include all hardware
- 52mm piston with rings, pin, & clips.
- High performance race camshaft (for the Race Head only)
- Head gasket kit.
- Z50 1988 - Present
- CRF50 1988 - Present
- XR50 1988 - Present