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The Mahle OE Moly Ring Set is a top-ring moly set sized for a 4.0550 inch bore with a 1.2mm edge width. Featuring a steel plasma moly top ring, this matched set is intended for OE-style replacements and performance rebuilds where the plasma moly coating improves ring seating characteristics. It provides precise bore sizing and material choice for reliable operation under standard and elevated conditions.
Mahle Rings 4.0550 Bore Dia 1.2MM Edge Width Steel Plasma Moly Top Ring Moly Ring Set
