The Mahle OE plain ring set is a grey iron second ring set specified for 4.625‑inch bore applications with a 1/16‑inch edge width and THG plain second ring profile. This replacement piston ring set is intended for use where a plain second ring is required and matches the listed bore and edge dimensions for correct fit. It provides the appropriate ring geometry for engines needing this OE‑style second ring set.
Mahle Rings 4.625in Bore Dia 1/16in Edge Width Grey Iron THG Second Ring Plain Ring Set