2003-2005 Cummins 5.9L Coolant Bypass Kit Auto Transmission (FPE-CLNTBYPS-CUMMINS-0305) 2008 - 2010 GM Tuning & Electronics

2003-2005 Cummins 5.9L Coolant Bypass Kit Auto Transmission (FPE-CLNTBYPS-CUMMINS-0305) 2008 - 2010 GM Tuning & ElectronicsIncreased 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

Enough fuel to support up to 700 RWHP with proper supporting modifications

Through rigorous real-world testing and research

we recommend a 200 GPH (or larger) lift pump set to 10-15psi

Billet aluminum fan drive pulley in bare aluminum finish

The mount plate may require one additional hole to be drilled subject to wheel and tire offset

This updated version also adds an additional row of oil passageways for greater heat dissipation

1/2 inch push lock hose

The Nico Fuel Injector Bolt Repair Kit: Position Nico in the fuel injector passage

Best for all round' power

Replace your faulty mass air flow (MAF) sensor in your 03-07 6

Stronger than the stock plastic sensor

Fleece Performance billet rocker arm bridges for the GM Duramax