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The Mahle OE moly top ring set is a plasma‑moly steel top ring specified at 3.5709 in diameter with a 1.5 mm section. Supplied as a direct replacement ring set, it matches OE dimensions and material designation to maintain piston sealing and wear characteristics. This moly top ring is intended for engine rebuilds or ring replacement where the original top ring specification is required and preserves factory fitment standards.
Mahle Rings 3.5709 X 1.5MM Plasma-Moly Steel Top Ring Moly Ring Set
