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The Mahle CP20 plain ring set is a standard‑tension piston ring assembly sized 3.791 inches bore with 2.0mm width, intended as an OE‑style replacement for restoring cylinder sealing and compression during engine rebuilds. Its plain‑ring construction supports routine piston servicing and provides a straightforward option for rebuild projects and replacement needs.
Mahle Rings Performance CP20 Oil Ring Assembly 3.791in x 2.0MM Std Tension Plain Ring Set
