This Mahle OE plain ring bulk pack contains 48 Napier THM-13 plain piston ring sets specified at 4.135 inches with 1.5 mm thickness and .150 ring width. Offered for bulk applications or multiple rebuilds, each plain ring set is provided with the nominal dimensions so installers can match rings to cylinder and piston specifications required for correct assembly.
Mahle Rings Perf Steel Napier THM-13 4.135in x .1.5MM .150RW Bulk Plain Ring Set (48 Qty Bulk Pack)