Sierra D-Max Diesel Fuel Pump Flow Enhancer For 11-16 Sierra 2500/3500 Duramax 6.6L FASS 1990 Hub Style: UNSprung

Hub Style: UNSprung

easy aligning tight fit

Turbine Wheel: 76mm 2

Commonly known as a "cam plate"

lower drive pressure and decreases peak EGT's

Sierra D-Max Diesel Fuel Pump Flow Enhancer For 11-16 Sierra 2500/3500 Duramax 6.6L FASS 1990 Hub Style: UNSprungFASS Fuel Systems Dura Max Diesel Lift Pump 2001 2010 GM Duramax 6. 6L (DMAX 7001) Part No: DMAX 7001 Duramax diesel engines do not come with a factory lift pump, this is why Duramax owners see such great performance and economy gains after installing an aftermarket diesel fuel lift pump. When the factory CP3 injection pump pulls fuel under a vacuum it can introduce air and vapor into your fuel, which can lead to injector failure. The D Max Flow