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The Mahle OE plain piston ring set is listed as a Performance Steel Napier second ring sized 4.325 in x .043 in with .135 RW and supplied per the catalog configuration. This plain ring set provides the stated dimensions for piston replacement and parts inventory. Buyers should confirm those bore and width figures against their engine's specifications before installation.
Mahle Rings Perf Steel Napier 2nd Ring 4.325in x .043 .135in RW Plain Ring Set (48 Qty Bulk Pack)
