Cummins Coolant Bypass Kit 2006-2007 Auto Trans Fleece Performance 20958-15 For Modified Engines w/ High

For Modified Engines w/ High Strength Internal Parts

FASS Fuel Systems Diesel System 2011-2014 GM Duramax LML 6

4 SOLENOIDS

1 bent and notched Shoulder Bar

Increase fuel flow on your 6

Cummins Coolant Bypass Kit 2006-2007 Auto Trans Fleece Performance 20958-15 For Modified Engines w/ HighIncreased 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