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The Mahle OE plain ring set is a gas-nitrided steel piston ring kit sized for a 4.005-inch bore with .043 and .157 inch ring widths. Intended for gasoline applications, this plain ring set serves as replacement sealing rings for rebuilds and repairs. The description focuses on correct sizing and material so technicians can match bore and ring width during engine service.
Mahle Rings Performance Gas Nitride Steel 4.005 x .043 .157 RW Plain Ring Set
