- Our Koso 4V Cylinder Head kit for Honda GROM® 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. The 4 Valve Cylinder Head Kit features a forged piston, stainless steel 24 mm intake valves and 20 mm exhaust valves. Feel the speed!
- NOTE: Fits only the Koso 170cc Big Bore kit.
Shipping weight: 8.27 lbs
Shipping size (L x W x H): 12.00 x 10.00 x 6.00 inches
Material: Stainless Steel
Type: Head Kit
UPC Code: 9409910030
Made in TW
Sold as: KT
Fitment information not available for this item