The Mahle OE plain piston ring set is a gas-nitrided steel plain ring package sized 4.155 in diameter with .043 in thickness and .157 RW, supplied as a 48-piece bulk pack. Appropriate for rebuild and repair work, the bulk quantity supports multiple cylinders while preserving the listed dimensions so technicians can maintain consistent ring selection across several pistons.
Mahle Rings Perf Gas Nitride Steel 4.155in x .043in .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)