This Mahle plasma moly steel top compression ring set is listed at 4.155" bore size with a .0625" thickness and a .190" ring width, offered in a bulk pack of 48 pieces. The plasma moly top ring specification supports ring replacement needs for compatible bore dimensions and is supplied in quantity for larger rebuild or batch servicing projects.
Mahle Rings Plasma Moly Steel Top Comp Ring 4.155in x .0625in .190in RW Ring Set (48 Qty Bulk Pack)