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This Mahle reduced radial-moly piston ring set is sized for a 4.135 in bore with .043 in ring thickness and includes reduced radial tension moly rings. Intended for engine rebuilds where these dimensions are required, the set emphasizes reduced friction characteristics while maintaining sealing performance. Mahle's precision manufacturing supports consistent ring fit and operation in compatible engine assemblies.
Mahle Rings 4.135in Bore .043in1.5MM3.00MM Plasma Moly Ductile Std Tension Reduced Rad Moly Ring Set
