Mahle OE plain second-ring set in Napier steel is a bulk pack of 48 rings sized 4.045 in outer diameter with a 1.0 mm thickness and .136 in radial width, specified as plain second rings. Supplied for engine rebuild and maintenance tasks, this OE-style ring set is intended for shops or volume users who need consistent dimensional spec and fit for compatible piston and cylinder assemblies.
Mahle Rings Perf Napier Steel 2nd Ring 4.045in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)