This Mahle plain ring set is a performance steel Napier second ring sized at 3.3661 inches diameter with 1.2mm thickness and a .135in ring width, supplied in a 48-piece bulk pack. Intended for volume rebuild projects or high-quantity service use, the bulk pack provides multiple matching rings to support larger-scale engine assembly or maintenance tasks.
Mahle Rings Perf Steel Napier 2nd Ring 3.3661in x 1.2MM .135in RW Plain Ring Set (48 Qty Bulk Pack)