For Gen 3.5, with 6.7L, Cummins.
This cold weather kit is for trucks used in extreme weather (i.e. snow plows). They might be a little harder to install than the 2/0 kit. It may require some minor fitting (for example, grinding starter lug for clearance).
Right Positive 2/0 battery to battery cable with loom.
Left Positive upgraded 3/0 battery to starter cable with loom for improved Cold Weather/Hard Start performance.
Right and Left Negative cables with loom.
2 Positive, 2 Negative military style battery terminals with lock nuts and covers.
Please see the picture.
Alternator cable is optional.