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The Mahle OE plain ring set is a performance steel Napier THM-13 piston ring package sized 4.095 in with 1.5 mm thickness and .151 ring width, supplied in a 48-count bulk pack. Designed for use where these dimensions are specified, this bulk plain ring option supports multiple rebuilds with consistent, source-faithful replacements for piston sealing and compression control.
Mahle Rings Perf Steel Napier THM-13 4.095in x 1.5MM .151 RW Plain Ring Set (48 Qty Bulk Pack)
