Koso Gasket for Koso Big Bore Kit Honda Grom / Monkey
Replacement Gasket for the Honda Grom or Monkey equipped with the Koso Big Bore Kit.
Features:
- Replacement gasket
- Fits Grom and Monkey models equipped with Koso’s 170cc Big Bore Kit
- For 2V head only
Note: This is an aftermarket part built for racing purposes only. Koso is not responsible for any damages caused to the parts, vehicle or to yourself and others. Engine parts are not under warranty nor is collateral damage or cost of labor in cases of malfunction.







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