Mahle plasma-moly compression ring set offers a steel top ring sized for a 4.310 in bore with a .0625 in section and .190 in thickness, intended as a replacement for engine rebuilds. The plasma-moly surface combines wear resistance with reliable sealing characteristics, serving machine shops and rebuilders who need OE-compatible ring geometry and dependable repeatability in service applications.
Mahle Rings Plasma Moly Steel Top Comp Ring 4.310in x .0625in .190in RW Ring Set (48 Qty Bulk Pack)