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The Mahle MS piston ring set for GM Duramax with a 4.075" bore is a drop-in, three-ring steel pack specified as 3.0K, 2.0mm and 3.0mm for eight-cylinder diesel engines. Intended for engine rebuilds or overhauls, these steel rings provide compression sealing and oil control as a direct replacement where this bore and ring pack are specified.
Mahle MS GM Duramax 4.075in 3.0K 2.0mm 3.0mm Drop In Rings
