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The Mahle OE plain piston ring set is a gas-nitrided steel plain ring package sized 4.150 in diameter with .043 in thickness and .157 RW. This single plain ring set follows Mahle's performance gas-nitride steel specification and is supplied for replacement or rebuild tasks that require rings of these exact dimensions.
Mahle Rings Performance Gas Nitride Steel 4.150 x .043 .157 RW Plain Ring Set
