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The Mahle OE Plain Ring Set is a bulk plain piston ring pack for engine rebuilds, listed with Napier THM-13 dimensions at 4.205in bore with 1.5MM thickness and .150 ring width. Supplied as a 48-piece bulk pack, it provides a quantity option for shop stocking or larger rebuild projects where those exact dimensions are required for correct fit and sealing.
Mahle Rings Perf Steel Napier THM-13 4.205in x .1.5MM .150RW Bulk Plain Ring Set (48 Qty Bulk Pack)
