Pay in 4 interest-free payments of $55.00 Learn more
Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Now includes the L bracket
Injection molded quality for perfect OEM fit
Excellent where water or high humidity are present
Note: use with OEM case saver
TB 186cc Grom Big Bore Kit and Oil Cooler Kit Merch Now includes the L bracket186cc Grom Big Bore Kit Performance (64mm) and Oil Cooler Kit: Ceramic coated all aluminum cylinder (no steel sleeve) Lightweight 64mm piston with rings, pin, & clips Head gasket kit Oil Cooler Kit IMPORTANT UPDATE: These bore kits are only for the 2021 and older models (will not work on the new 2022 models as the engine has been redesigned) This is the biggest Grom big bore kit on the market for your Grom or Monkey 125! The all aluminum ceramic
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