This Mahle OE plain ring bulk pack contains 48 Napier THM-13 plain piston ring sets specified at 4.140 inches with 1.5 mm thickness and .150 ring width. Supplied in bulk for rebuild or production use, each plain ring set is dimensioned for matching cylinder and piston specifications where the listed sizing is required for correct installation and dependable fit.
Mahle Rings Perf Steel Napier THM-13 4.140in x .1.5MM .150RW Bulk Plain Ring Set (48 Qty Bulk Pack)