FASS Fuel Systems Diesel Lift Pump 2001-2010 GM Duramax 6.6L Titanium Signature Series 100GPH (TS C10 100G) Part No: TS C10 100G A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax 6.6L diesel engine, this is because your Duramax doesn't come with a factory lift pump...
