1Applicable Model: Fit for 110cc 125cc Engine Chinese Atv, Dirt Bike, Pit Bike, Go Kart, Pocket Bike, such as replacement for Kazuma, replacement for Taotao etc. 2Package Includes: Cylinder kit includes piston, ring set, wire pin locks, piston pin, top end gasket set, to meet your needs. 3Premium Material: The cylinder kit is made of alloy metal, which is wear resistant, rust proof, high hardness, and can be used for a long time. 4Ideal Replacement: These parts are used to replace motorcycle piston ring kits for repair and upgrade of original cylinders to provide better performance. 5Perfect Fit: Exquisite workmanship, high precision and good reliability. Perfect match with original equipment, easy to install.