This Mahle OE plasma-moly steel top ring set in bulk pack form is specified for 4.185 inch bore and 1.5mm thickness with a .151 ring width, offering a moly-coated top ring material suited for engine rebuilds and performance applications. Supplied in a larger quantity for shop use, it supports consistent, wear-resistant sealing where durable top ring construction is required.
Mahle Rings Perf 4.185in x 1.5MM .151 RW Plasma-Moly Steel Top Ring Moly Ring Set (48 Qty Bulk Pack)