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Mahle OE Moly top ring set is a plasma steel top ring sized 4.050 in with 1.0 mm thickness and .143 in RW, offered in a 48-count bulk pack for larger rebuild jobs. The HVOF moly finish identifies the manufacturing surface treatment for the ring, and the precise diameter and thickness information lets technicians match rings to the correct piston bore during engine overhaul and routine repairs.
Mahle Rings Perf Plasma Steel Top Ring 4.050in x 1.0MM .143in RW HVOF Moly Ring Set (48 Qty Bulk Pk)
