This Mahle OE plain ring set is a bulk pack containing Napier steel second rings sized 4.280 in diameter by 1.0 mm width with a .136 in radial wall, offered for engine rebuild and machine shop use. Supplied in larger quantity for commercial or overhaul work, the set provides the necessary sealing ring profile for compatible pistons and cylinders where plain second rings are specified.
Mahle Rings Perf Napier Steel 2nd Ring 4.280in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)