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The stock Duramax CP3 is a good pump
5" Lift Kit includes custom wound coil springs engineered to provide an incredibly great ride while also enhancing off-road driving performance
meaning you have 40 gauges at your fingertips
Make installation of a new set of injectors in your LB7 Duramax a breeze with the Industrial Injection Stock Replacement Injectors and Installation Kit
even with much higher line pressures - up to 250psi
Airdog II-5G 165 GPH Air Fuel Separation Lift Pump System 11-14 6.6L GM Duramax LML ARP-247-5402 The stock Duramax CP3 isWhy GM opted to not include a factory fuel lift pump on all of the early model Duramax's is still a mystery. This lack of consistent fuel pressure coupled with the switch from the proven CP3 to a CP4 injection pump beginning in model year 2011 has spelled disaster on these trucks, especially for those trying to increase the horsepower through performance programmers and or larger displacement injectors. Even at stock power levels, this insufficient
