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Prepping a used 24-valve 5.9L or 6.7L Cummins head for compound turbos involves surfacing the head, replacing valve guides, and cleaning the seats, as well as upgrading valves, seals, and springs.
Marotta Controls upgrades safety and performance of its MOPV761 valve. Latest advancements satisfy cross-fleet firefighting system standards. Marotta Controls Modernizes Motor Operated Pilot Valve ...