Sierra D-Max Diesel Fuel Pump Flow Enhancer For 11-16 Sierra 2500/3500 Duramax 6.6L FASS 1990 Commonly known as a "cam

Commonly known as a "cam plate"

easy aligning tight fit

For the ultimate towing and racing package

Excursion diesel engines are known for having injector failure issues

Factory looking fit and finish

Sierra D-Max Diesel Fuel Pump Flow Enhancer For 11-16 Sierra 2500/3500 Duramax 6.6L FASS 1990 Commonly known as a "camFASS 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