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The Mahle OE plain ring set is a gas-nitrided steel piston ring kit sized 4.050 x .043 x .157 RW. Supplied as a plain ring set, it supplies the sealing surfaces for compression and oil control during engine assembly or overhaul. The explicit 4.050-inch dimension helps you match rings to pistons when replacing worn rings or completing a rebuild.
Mahle Rings Performance Gas Nitride Steel 4.050 x .043 .157 RW Plain Ring Set
