Mahle OE bulk plain ring set supplied for performance rebuilds, specified as Napier steel second rings at a 4.000in diameter with a 1.0mm section and .136in radial wall; this listing includes 48 rings in a bulk pack. These OE-quality plain rings are intended for engine overhaul work where consistent ring geometry and manufacturing standards are required for reliable sealing and service life.
Mahle Rings Perf Napier Steel 2nd Ring 4.000in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)