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The Mahle OE plasma‑moly steel top compression ring set at 4.130 in x 1/16 in with 0.190 in RW specification is a direct replacement set for engine rebuilds. Plasma‑moly treatment enhances surface wear resistance and supports consistent ring seating during break‑in. Provided as a full ring set, it is suitable for routine overhauls and inventories for service work.
Mahle Rings Plasma Moly Steel Top Compression Ring 4.130in x 1/16in .190in RW Moly Ring Set
