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The Mahle OE plain piston ring set is a gas-nitrided steel plain ring package sized 4.175 in diameter with .043 in thickness and .157 RW. Described for performance gas-nitride steel applications, the set provides consistent dimensioning for piston rebuilds. It is presented as a single plain ring set suitable for replacement work where these exact ring dimensions are required.
Mahle Rings Performance Gas Nitride Steel 4.175 x .043 .157 RW Plain Ring Set
