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The MAHLE plain ring set for a 4.505 inch bore with 1/16 inch top ring specification (PC479) supplies a complete set of plain top rings for engine rebuilding. Packaged for bulk use, these rings suit machinists and rebuilders needing consistent, OE‑style ring dimensions. The set focuses on correct bore fit and ring profile to restore sealing and compression during engine reassembly.
Mahle Rings 4.505in Bore Dia 1/16in PC479 Top Rings Plain Ring Set
