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Mahle plain piston ring set for a 4.625 in. bore, listed as Steel Napier THM-13 with .043 in. thickness and .135 radial width in a 48-unit bulk pack. This plain ring configuration is intended for standard rebuild and production-style applications, offering straightforward replacement geometry and material for reliable sealing and engine service operations.
Mahle Rings Steel Napier THM-13 4.625 Bore x .043in .135 RW Plain Ring Set (48 Qty Bulk Pack)
