Mahle Performance CP20 plain ring set is a piston ring assembly sized 3.644" with 2.0mm standard tension, offered as a plain ring configuration for engine rebuilds. These rings are intended to control oil and seal piston-to-cylinder clearances in a standard-tension application, providing ring set compatibility for rebuilding pistons and restoring proper sealing and oil control to the engine when installed to factory specifications.
Mahle Rings Performance CP20 Oil Ring Assembly 3.644in x 2.0MM Std Tension Plain Ring Set