Mahle OE moly top compression ring set sized 3.9050 in by 5/64 in, supplied in a 48-count bulk pack for rebuilders and parts stock. These moly-faced claimer top rings are intended as replacement compression rings where the specified bore and ring thickness are required. Bulk packaging supports shops and high-volume work; confirm bore and gap before installation for proper fit.
Mahle Rings 3.9050in X 5/64in Moly Claimer Top Compression Ring Moly Ring Set (48 Qty Bulk Pack)