The Mahle OE plain piston ring set is a gas-nitrided steel plain ring package sized 4.160 in diameter with .043 in thickness and .157 RW, supplied in a 48-piece bulk pack. Designed for engine rebuild and replacement use, the bulk offering helps garages and rebuilders keep matched plain rings on hand for multiple pistons needing these precise dimensions.
Mahle Rings Perf Gas Nitride Steel 4.160in x .043in .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)