The Mahle OE plain piston ring set is a gas-nitrided steel plain ring package sized 4.150 in diameter with .043 in thickness and .157 RW, supplied in a 48-piece bulk pack for shop stocking. Suited to engine rebuilds and maintenance, the bulk format lets multiple pistons be serviced using rings that conform to the listed Mahle OE dimensional specifications.
Mahle Rings Perf Gas Nitride Steel 4.150in x .043in .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)