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The Mahle OE plain ring set is a performance steel Napier THM-13 piston ring package sized 4.130 in with .043 in thickness and .135 ring width, available in a 48-count bulk pack. This bulk plain ring option is suited for shops or projects needing multiple direct-fit replacements for piston sealing and compression control where these dimensions apply.
Mahle Rings Performance Steel Napier THM-13 4.130 x .043 .135 RW Plain Ring Set (48 Qty Bulk Pack)
