Mahle OE plasma-moly top ring set, sized 4.180 in x 1.5 mm with a .151 RW specification, is offered in a 48-piece bulk pack for machining or high-volume rebuilds. These plasma-moly steel top rings are intended as replacement piston rings matching the listed dimensions and finish. The pack provides multiple rings for rebuild projects where the stated size and material are required.
Mahle Rings Perf 4.180in x 1.5MM .151 RW Plasma-Moly Steel Top Ring Moly Ring Set (48 Qty Bulk Pack)