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Mahle OE moly top ring pack for a 4.0400 in bore offered in a 48-count bulk pack. Described as plasma-moly steel top rings with 1.5 mm profile in the specification, these rings are supplied for shop use or large-scale rebuilds where consistent, OE-style top-ring material and sizing are required. Bulk packaging supports efficient parts staging during engine overhauls.
Mahle Rings 4.0400 X 1.5MM Plasma-Moly Steel Top Ring Moly Ring Set (48 Qty Bulk Pack)
