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This MAHLE moly ring set is specified for Navistar Max Force 7 engines from 2011 onward in size .040. MAHLE piston rings are engineered to reduce friction and ring mass, minimize engine oil consumption, and extend service life, reflecting OE-driven design priorities. The moly-coated rings provide a durable sealing surface suited to modern high-output engines where efficient oil control and longevity are needed.
Mahle Rings Navistar Max Force 7 2011+ Moly Ring Set (Size 0.040)
