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The Mahle OE plain top ring set is a piston ring pack specified for a 4.255-inch bore with .017in Dykes PC479 top rings. Sold in a bulk 48-quantity pack, these plain rings provide a conventional sealing solution for engine overhaul or ring replacement projects. Use them where plain top ring geometry and the stated bore and thickness match the engine’s specifications.
Mahle Rings 4.255in Bore Dia .017in Dykes PC479 Top Rings Plain Ring Set (48 Qty Bulk Pack)
