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Mahle OE plain ring set in Gas Nitride Steel sized 4.355 in with .043 in thickness and .171 RW is presented as a standard plain ring option for piston rebuilds. These rings match the listed bore and thickness and are suitable when the nitrided steel material and precise dimensions are required for proper seating and sealing in repeated engine assembly tasks.
Mahle Rings Performance Gas Nitride Steel 4.355 x .043 .171 RW Plain Ring Set
