Seller notes

TB Parts 186cc Big Bore Performance Kit (64mm) – Grom:– Ceramic coated all aluminum cylinder (no steel sleeve)– Lightweight 64mm piston with rings, pin, & clips– Head gasket kitThis is the biggest Grom & Monkey 125 bore kit on the market! The all aluminum ceramic coated cylinder is lighter than a steel sleeved aluminum cylinder, reduces friction (increasing power), improves sealing, and provides better heat transfer (runs and cools down quicker). This new big bore kit will provide the ex...

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