Mahle OE Moly ring set supplies plasma steel top rings with HVOF moly finish sized 4.145 in diameter, 1.0 mm thickness and .143 in RW profile, offered as a 48-piece bulk pack for rebuild shops. The listing emphasizes the exact ring dimensions and HVOF moly coating for applications where those measurements and finish are required during piston rebuilds or inventory stocking.
Mahle Rings Perf Plasma Steel Top Ring 4.145in x 1.0MM .143in RW HVOF Moly Ring Set (48 Qty Bulk Pk)