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The MAHLE plain ring set for a 4.505 inch bore, 1/16 inch top ring (PC479), is offered in a 48‑piece bulk pack for production or rebuild environments. These plain top rings supply consistent ring dimensions for piston sealing and compression restoration during engine overhaul. The bulk packaging supports repeat rebuilds and efficient inventory for shops needing reliable OE‑style ring sets.
Mahle Rings 4.505in Bore Dia 1/16in PC479 Top Rings Plain Ring Set (48 Qty Bulk Pack)
