Koso 4V Cylinder Head Kit – compatible with Grom & Monkey

The Koso 4V Cylinder Head kit for the Fits and compatible with Honda Grom and Fits and compatible with Honda Monkey is the ideal engine part to complete the Koso 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! *Please note: Compatible with 2014-2021 Fits and compatible with Honda Grom
Vendor Part Number: MC623000
Cylinder Head Height: 14.2mm
Upper Gasket Thickness: 0.25mm
Piston Height: 19.5mm
Cylinder Displacement: 169.21cc
Squish: 1mm
Cylinder Head Titration: 13.4cc
Valve Clearance IN : 10mm, EX : 10mm
Spark Plug Type NGK-5869ER9EH
Camshaft Angle: 260
Torque (max): 1.71
Horsepower (max): 26.26
SUPPORTED MODELS: Fits and compatible with Honda Grom 125, Fits and compatible with Honda Monkey 125