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Mahle OE plain ring set in Gas Nitride Steel sized 4.200 in with .043 in thickness and .157 RW is a direct replacement option for pistons matching those dimensions. The gas-nitrided plain rings are listed to help mechanics select rings that align with bore size and ring thickness requirements during engine rebuilding or maintenance tasks.
Mahle Rings Performance Gas Nitride Steel 4.200 x .043 .157 RW Plain Ring Set
