Koso North America 4 Valves Cylinder Head
Regular price
$969.13
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All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!
4 Valves Cylinder Head
The Koso 4V Head Kit is the ideal engine part to complete the Koso Honda Grom® Big Bore kit. Because of its unique 4 valve design, the air flow and performance are increased. This new designed head is the perfect addition for those who desire more power and torque.
Features:
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available.
- Requires the use of Iridium spark plug
- The 4 Valve Head Kit features a forged piston, stainless steel 24 mm intake valves and 20 mm exhaust valves. Only fits Koso 170cc big bore kit.
- Type Engine
- Vendor Koso North America
- SKU FHSJ_27-5822
- SKU FHSJ_27-5822
