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Mahle OE plasma-moly top compression ring set, 4.020" x .0625" with .190" RW dimension, supplied as a 48-count bulk pack for volume needs. The description identifies a steel top compression ring with plasma moly treatment, suitable for rebuild shops or production runs that require many sets matching the 4.020 x .0625 specification and OE-style ring geometry.
Mahle Rings Perf Plasma Moly Steel Top Comp Ring 4.020 x .0625 .190 RW Ring Set (48 Qty Bulk Pack)
