Description
KOSO Honda Grom/Monkey 125 4 Valve Cylinder Head Kit with larger square intake and oversize exhaust port to accommodate the pair of 24mm intake and 21mm exhaust valves. The Koso Grom/Monkey 4 Valve Cylinder Head Kit is designed to be added to an existing Koso Grom 61mm Big Bore Cylinder Kit.This 4 Valve Head will only work with KOSO 61mm Grom/Monkey Big Bore Kit.
Koso Honda Grom 125 4V Cylinder Head Kit
- Koso 4-valve Cylinder Head
- Intake Valve 24mm
- Exhaust Valve 21mm
- Roller Rocker
- Koso Camshaft
- Koso 61mm Forged Piston for 4 Valve
- Koso Large Port Exhaust Gasket
- Koso Intake Manifold for large throttle body (34mm not included)
