KOSO Honda Grom/Monkey 4-Valve Cylinder Head Kit Ignition 84mm spaced caliper

84mm spaced caliper

DROWsports V3 Carbon Fiber 2014-2020 Honda Grom Air Intake System for Koso 34mm Throttle Body

5cc high-compression)

Time tracking by real-time ( Race function box is necessary)

but the cylinder is made from aluminum versus Polini Corsa's cast-iron composition

KOSO Honda Grom/Monkey 4-Valve Cylinder Head Kit Ignition 84mm spaced caliperKOSO Honda Grom Monkey 125 4 Valve Cylinder Head Kit with larger square intake and oversize exhaust port to accommodate the pair of 24mm intake and 21mm exhaust valves. The Koso Grom Monkey 4 Valve Cylinder Head Kit is designed to be added to an existing Koso Grom 61mm Big Bore Cylinder Kit. This 4 Valve Head will only work with KOSO 61mm Grom Monkey Big Bore Kit. Koso Honda Grom 125 4V Cylinder Head Kit Koso 4 valve Cylinder Head Intake Valve 24mm