Mahle OE Rings Perf Gas Nitride Steel 4.015 x .043 .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)

Rings Perf Gas Nitride Steel 4.015 x .043 .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack).

Genuine Mahle OE product, part number 3011164B.