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The Mahle OE plain piston ring set is a Performance Steel Napier second-ring assembly sized 4.355 in x .043 in with .135 RW, presented as a cataloged replacement option. Use the listed ring diameter and width to confirm fitment for your piston application. The overview reflects the product's supplied dimensions for straightforward selection during engine work.
Mahle Rings Performance Steel Napier 2nd Ring 4.355in x .043 .135in RW Plain Ring Set
