The Mahle OE moly ring set is a plasma-moly steel top compression ring collection supplied in a 48-piece bulk pack. The rings are specified at 4.125 in bore with .0625 in and .190 in dimensions noted in the listing, intended for engine rebuild or ring replacement work where plasma-moly top rings are required. These bulk sets suit shop stocking or multi-cylinder rebuild projects.
Mahle Rings Plasma Moly Steel Top Comp Ring 4.125in x .0625in .190in RW Ring Set (48 Qty Bulk Pack)