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The Mahle OE plain piston ring set is a Performance Steel Napier second-ring assembly sized 4.320 in x .043 in with .135 RW, presented as the catalog replacement option. The set supplies the listed bore and width dimensions for piston replacement tasks or stocking. Confirm these dimensions against your engine's specifications to ensure accurate selection.
Mahle Rings Performance Steel Napier 2nd Ring 4.320in x .043 .135in RW Plain Ring Set
