KOSO 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
SKU | MC623000 |
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Brand | KOSO |
Vehicle | Honda Grom, Honda Monkey |