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The Mahle OE plain piston ring set is a Performance Steel Napier second-ring assembly sized 4.325 in x .043 in with .135 RW as described in the catalog. Provided as a matched plain-ring option, this set offers the listed dimensions for piston ring replacement and inventory management. Verify the published measurements against your engine's requirements before purchase.
Mahle Rings Performance Steel Napier 2nd Ring 4.325in x .043 .135in RW Plain Ring Set
