KOSO 4 VALVES CYLINDER HEAD | MC623000
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.
Model applications
| Vehicle / model |
Years |
| Honda MSX125 Grom |
2014–2021 |
| Honda MSX125A Grom ABS |
2018–2021 |
| Honda Z125 Monkey |
2019–2020 |
| Honda Z125A Monkey ABS |
2019–2020 |
Specifications
| Brand |
KOSO |
| Manufacturer part number |
MC623000 |
| Country of origin |
Taiwan |
| Product type |
Complete Engine Rebuild Kit |
| Segment |
Street |
| Division |
Engine |
| Sub Segment |
Mini Bike |
