The Mahle OE plain ring set is a gas-nitrided steel piston ring kit sized 4.060 x .043 x .157 RW. Delivered as a plain ring set, it supplies the critical sealing surfaces for compression and oil control in engine rebuilds. Use these rings when your pistons require the 4.060-inch diameter rings and you need clearly specified ring dimensions for accurate selection.
Mahle Rings Performance Gas Nitride Steel 4.060 x .043 .157 RW Plain Ring Set