Mahle OE HV385 top ring set, 4.045" diameter by 1.5mm (.151") with RW moly finish, offered as a 48-count bulk pack per the description. The plasma-moly steel HV385 profile ring set matches the specified dimensions for volume rebuilds or production use where multiple identical HV385 rings are required and exact sizing is mandatory.
Mahle Rings Perf Plasma Moly Steel HV385 Top Ring 4.045in x 1.5MM .151in RW Ring Set (48 Qty Bulk)