Piston Ring Replacement 45mm Piston Cylinder Gasket Kit Metal Construction Piston Diameter 45mm Functionality This piston ring replacement kit is designed for use with engines requiring a 45mm piston diameter.It includes a metal piston ring, cylinder gasket, and related components necessary for cylinder assembly and sealing.The kit supports engine performance by maintaining compression and reducing wear within the cylinder bore.Components are constructed from metal materials suitable for standard operating conditions.This set is intended for use during engine repair or rebuild processes where piston ring replacement is required. This component is not from the brand.References to models are used only to indicate fitment.