This Mahle plasma moly top compression ring set is a bulk pack specified at 4.385 inches diameter with .0625 inch thickness and .190 inch RW, offered in larger quantity for rebuilders. The plasma moly top ring profile and sizing are provided for engine assembly work where multiple ring sets are required and the listed dimensions match the intended piston grooves.
Mahle Rings Plasma Moly Steel Top Comp Ring 4.385in x .0625in .190in RW Ring Set (48 Qty Bulk Pack)