Fleece Performance FPE-CLNTBYPS-CUMMINS-VP VP Coolant Bypass Kit 1998.5-2002 Fleece Performance Chevrolet-Silverado-2500-6-6L-Duramax-LB7-2001 and much larger tubing reduce

and much larger tubing reduce restrictions

6L 2007-2010 Chrysler 300 2

compression

Airbox volume

wide-open inlet/outlet

Fleece Performance FPE-CLNTBYPS-CUMMINS-VP VP Coolant Bypass Kit 1998.5-2002 Fleece Performance Chevrolet-Silverado-2500-6-6L-Duramax-LB7-2001 and much larger tubing reduceIncreased 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