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The Mahle MS piston ring set for GM Duramax with a 4.075" bore features 3.0K backing and ring thicknesses of 2.0mm and 3.0mm in a drop‑in configuration for diesel applications. Supplied as a single‑cylinder set, these steel rings correspond to the 4.075" DMAX specification for eight‑cylinder diesel engines and are offered to match the listed bore and engine series for proper fitment.
Mahle MS GM Duramax 4.075in 3.0K 2.0mm 3.0mm Drop In Ring - Single
