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Mahle plain ring set in steel for a 4.630 in bore, supplied as a bulk pack of 48 pieces. The set lists a 1.0 mm ring dimension with a .136 RW specification. Intended for machinists and rebuilders sourcing plain compression rings to match the Napier THM‑13 size, this bulk pack provides multiple rings sized to the listed bore and ring width for workshop use.
Mahle Rings Steel Napier THM-13 4.630 Bore x 1.0MM .136 RW Plain Ring Set (48 Qty Bulk Pack)
