2004 - 2005 Duramax LLY Dual Cp3 Kit (W/O Pump) _prop65 or a failed head gasket

or a failed head gasket

2003 GMC Sierra 3500 SLE

We recommend the use of Cummins 3977063 head gasket

so it's reacting to two different forces at the same time

BD control module

2004 - 2005 Duramax LLY Dual Cp3 Kit (W/O Pump) _prop65 or a failed head gasketThe Industrial Injection dual CP3 is the ultimate for performance. This kit can be purchased with a new, modified, Dueling Dragons (two 85% Dragon Fire CP3s) or the Dueling Double Dragons (two 120% CP3s) CP3's for those who compete in the competition circuits. Efficiency is increased and EGTs reduced (constant optimum fuel pressure is maintained). Both pumps work together, each delivering half the total volume of fuel required, effectively sharing the