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The Mahle OE plain piston ring set employs gas-nitrided steel with 4.110 x .043, .157 RW dimensions to provide accurate piston sealing for rebuilds and replacements. This plain ring set is supplied to match the specified diameter and width for installation where exact sizing matters, helping restore proper piston-to-cylinder sealing during engine maintenance.
Mahle Rings Performance Gas Nitride Steel 4.110 x .043 .157 RW Plain Ring Set
