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The Mahle OE plain ring set includes gas-nitride steel top compression rings sized 4.620 x .043 with .170 RW specification, supplied as a complete plain ring set for engine rebuild or performance applications. These precision rings offer the sealing component required for piston assemblies during overhaul, intended to meet OE fitment dimensions while supporting improved wear resistance offered by gas-nitride treatment.
Mahle Rings Gas Nitride Steel Performance Top Compression Ring 4.620 x .043 .170 RW Plain Ring Set
