Forum Discussion
wcjeep
Aug 24, 2013Explorer
From the OP signature it appears to be a 12V 5.9 Cummins. Exhaust springs need to be swapped out. I've been very happy with my air actuated PacBrake on my 06'. Not sure what actually fits the OP rig. Don't forget to upgrade the Governor Spring Kit to at least 3k rpm. It will feel like adding 30-40hp. Easier to rev and maintain speed while shifting. Especially on a hill.
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