Collection:
Engine Cylinder and Pistons
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Piston (58.5mm)
This is the same piston found in our 155cc big bore kit.Note: This only fits if you've done the Big Bore Upgrade!
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Piston (57mm)
This 57mm bore cylinder, piston ,and rings are found mainly on HOWHIT engines. We haven't stocked these in a while due to unavailability from the manufacturer.We offer a cylinder rebuild kit in the...
Piston (57.4MM)
This piston is the standard GY6 150cc size. Most 150cc buggies, scooters, and ATV's use this as a direct replacement.This is also a bolt in replacement for 125cc GY6 engines if you also install the...
Piston - 72mm - CF250 CH250 CN250 GY6 250cc Water Cooled Engine
Chinese 72mm Piston Kit for 250cc Water Cooled Engine.This Chinese 72mm piston kit is the replacement for CN250 CH250 and CF250 water cooled engines. Piston kits ship complete with piston, piston r...
GY6 Piston Rings 57mm
Will NOT fit 57.4mm pistons. Â These 57's are less common and found on HOWHIT engines as well as some GY6B engines. Â If in doubt, grab a cheap set of digital calipers and measure your original pisto...
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GY6 Big Bore Piston Ring Set (62mm)
These rings fit our 175cc big bore kit.
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