Upgrade your motorcycle engine with this brand new Zongshen 150cc cylinder, 62mm piston, rings, 15mm pin, pin clips and valve cover. This engine rebuild kit is perfect for those who want to improve the performance of their motorcycle. The kit includes high-quality piston rings that will ensure a smooth and efficient combustion process. The valve cover and gasket is also included, guaranteeing that the entire engine will be sealed and secure.This kit is specifically designed for 4-stroke engines, making it a reliable choice for any motorcycle or scooter owner. The brand Zongshen is known for its quality and durability, ensuring that your engine will perform at its best for a long time. Upgrade your ride today and enjoy a smoother and more powerful engine!