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MAHLE plain piston ring sets for GM 370–389 engines (1958–1966) bring OE-driven design focused on reduced friction, lower ring mass, and minimized oil consumption. Built to meet contemporary OE requirements, these rings aim to provide reliable sealing and service life consistent with MAHLE’s industry-leading piston ring technology for the specified GM engine and year range.
Mahle Rings GM 370-389 58-66 Plain Ring Set
