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The Mahle OE moly ring set is a plasma-steel top ring kit sized 3.781 in with 1.0 mm thickness and .143 in rectangular wall, supplied as a bulk 48-piece pack for rebuild work. HVOF-applied moly on the top ring and OE-form dimensions make it appropriate for piston overhauls where matched ring sizing and proven sealing geometry are required.
Mahle Rings Perf Plasma Steel Top Ring 3.781in x 1.0MM .143in RW HVOF Moly Ring Set (48 Qty Bulk Pk)
