4 Valves Cylinder Head
Regular price$749.95 USD
Shipping calculated at checkout.
- In stock, ready to ship
- Inventory on the way
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.