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Mahle OE plain piston ring set, a steel Napier THM-13 plain ring configuration matched to a 4.615-inch bore with specified thickness and ring width. Offered as a single set suitable for piston ring replacement during engine service, this ring set provides OEM-caliber sizing for rebuilds and maintenance where the listed dimensions are required.
Mahle Rings Steel Napier THM-13 4.615 Bore x .043in .135 RW Plain Ring Set
