Koso North America 4 Valves Cylinder Head - 27-5822
Regular price
$969.13
Verify your vehicle’s 'Year, Make, and Model' for correct fitment. Providing your exact details now ensures you get the right part the first time and helps you avoid the hassle of returns.
Ask an expert
Ready to install and hit the road!
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!
Koso North America 4 Valves Cylinder Head - 27-5822
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.
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2014 | Honda | MSX125 Grom | ||
| 2015 | Honda | MSX125 Grom | ||
| 2016 | Honda | MSX125 Grom | ||
| 2017 | Honda | MSX125 Grom | ||
| 2018 | Honda | MSX125 Grom | ||
| 2019 | Honda | MSX125 Grom | ||
| 2020 | Honda | MSX125 Grom | ||
| 2021 | Honda | MSX125 Grom | ||
| 2018 | Honda | MSX125A Grom ABS | ||
| 2019 | Honda | MSX125A Grom ABS | ||
| 2020 | Honda | MSX125A Grom ABS | ||
| 2021 | Honda | MSX125A Grom ABS | ||
| 2019 | Honda | Z125 Monkey | ||
| 2020 | Honda | Z125 Monkey | ||
| 2019 | Honda | Z125A Monkey ABS | ||
| 2020 | Honda | Z125A Monkey ABS |
- Type Engine
- Vendor Koso North America
- SKU FHSJ_27-5822
- SKU FHSJ_27-5822
