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Mahle OE plain piston ring sets are engineered to meet OE standards and are supplied as plain ring sets sized to specified bore dimensions. These rings are intended for rebuilds and performance maintenance where correct fit and seal are required. Supplied in the manufacturer’s packaging, the sets match the listed size to restore proper ring-to-cylinder clearance and compression without introducing unverified performance claims.
Mahle Rings Performance Napier THM-13 4.035in x 1.5MM Plain Ring Set
