Cummins Coolant Bypass Kit 2006-2007 Auto Trans Conversion feature a modern SAC-style nozzle

feature a modern SAC-style nozzle that is much more durable when compared to the previous generation stock VCO nozzle

The Gator Fasteners Performance Head Studs are a Heavy Duty stud designed for stock to moderately built 6

Unfortunately

Knurled For Hand Removal and Installation

The 7/16 inch diameter pushrods are build from seamless 4130/4135 chromoly tubing that is cold drawn over a mandrel for maximum rigidity and strength

Cummins Coolant Bypass Kit 2006-2007 Auto Trans Conversion feature a modern SAC-style nozzleIncreased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5. 9 6. 7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. Our coolant bypass kit adds a secondary