FASS 2011-2014 Duramax 6.6L Titanium Signature Series - 165GPH Fuel Filter Fuel Air & Fuel and FASS Fuel Systems patented

and FASS Fuel Systems patented air/vapor removal process

2011-2016 Powerstroke 140Gph Lift Pump Features:

this adjustable fuel pump is rated at 240 gallons of diesel fuel per hour and offers adjustable fuel pressure from 1-55 PSI to customize fuel delivery for race or competition diesel engines

eliminating all cutting of the filler neck

FASS 2011-2014 Duramax 6.6L Titanium Signature Series - 165GPH Fuel Filter Fuel Air & Fuel and FASS Fuel Systems patentedFASS Fuel Systems Diesel Lift Pump 2011 2014 GM Duramax Lml 6. 6L Titanium Signature Series 165Gph (TS C11 165G). A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax LML diesel engine, this is because your Duramax doesn't come with a factory lift pump like other diesels. This requires your CP3 injection pump to pull your fuel under a vacuum, adding additional stress to your CP3 Pump and risk introduce additional air into your fuel.