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The Mahle OE plain top ring set (PC479) fits a 4.445 in bore and is supplied as a bulk pack of 48 rings sized 1/16 in. These plain top rings are intended for piston sealing in engine rebuilds, serving the primary role of controlling combustion gas leakage at the piston crown. Having the correct bore size and ring thickness simplifies matching rings to pistons during machining and reassembly.
Mahle Rings 4.445in Bore Dia 1/16in PC479 Top Ring Plain Ring Set (48 Qty Bulk Pack)
