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Koso 4V Cylinder Head Kit – Honda Grom


Koso 4V Cylinder Head Kit – Honda Grom

Out of stock

SKU: 128-16 Category: Tag:
Weight 6.6 lbs
Dimensions 8 × 8 × 10 in


The 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 newly 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 24mm intake valves and 20mm exhaust valves. Feel the speed! Vendor Part Number: MC623000Cylinder Head Height: 14.2mmUpper Gasket Thickness: 0.25mmPiston Height: 19.5mmCylinder Displacement: 169.21ccSquish: 1mmCylinder Head Titration: 13.4ccValve Clearance IN : 10mm, EX : 10mmSpark Plug Type NGK-5869ER9EHCamshaft Angle: 260Torque (max): 1.71Horsepower (max): 26.26

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