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The Mahle OE plain piston ring set is a gas-nitrided steel plain ring package sized 4.145 in diameter with .043 in thickness and .157 RW. Offered as a single plain ring set for piston replacement and rebuilds, the item follows Mahle OE dimensional specifications and is intended for use where these exact ring measurements are required.
Mahle Rings Performance Gas Nitride Steel 4.145 x .043 .157 RW Plain Ring Set
