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Ships within 48 hours · Estimated delivery Sep 24 - Sep 29
Key Design Features
If you do not have adequate clearance
8mm top thread
maximum surface contact
Internal Diameter (ID): 125mm
NCY Piston Rings (50mm, for 81cc Cylinder Kit); 139QMB scoot Key Design FeaturesNCY Piston Ring replacement kit for the NCY 50mm piston found in the 81cc big bore cylinder kit. Fits SW part #1100 1237 About NCY: NCY stands as the premier provider of aftermarket performance components for leading scooter brands such as Honda, Yamaha, Genuine, Vespa, Piaggio, SYM, Lance, KYMCO, and GY6 139QMB powered scooters. Established in 1997, NCY adheres to rigorous quality standards and holds ISO 9001 certification. NCY performance parts are
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