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4 Valves Cylinder Head
- 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.
Special Price
$815.58
Regular Price
$969.13
USD
SKU
27-5822
Manufacturer:
Koso North America
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.
- 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.
| Manufacturer SKU | MC623000 |
|---|---|
| Manufacturer: | Koso North America |
| Department | PAM-WPS |
| Show Stock | Yes |
| California Restricted Product: | No |
Write Your Own Review
| Year | Make | Model |
|---|---|---|
| 2014-2020 | Honda | MSX125 Grom |
| 2018-2020 | Honda | MSX125A Grom ABS |
| 2019-2020 | Honda | Z125 Monkey |
| 2019-2020 | Honda | Z125A Monkey ABS |