A Piston is an important engine part placed inside each cylinder which moves up and down thereby turning the crank shaft attached to gear box which in turn moves the wheels. A Piston rings is a sealant fitted on to the piston to seal the combustion chamber. A cylinder liner is also called cylinder sleeve which is a cylindrical shaped smooth metal serving as an inner wall of an Engine block. It forms as a sliding surface for the Piston ring and helping retain the lubricant within. These components are very criticial for the performance of a car Engine. Our Online Automotive Spare Parts store has a wide range of critical engine parts like Pistons , Liners and Rings for many car models. In case of any query do get in touch with us.