The Fuelab Velocity 100 in-line lift pump for 2001–2010 GM Duramax is a 100 GPH pump with an internal bypass pre-set at 8 psi. Supplied as the pump-only unit, it provides elevated fuel lift capacity tailored for Duramax diesel fuel systems where a 100 GPH flow and the factory-matched bypass setting are needed for reliable operation.
Fuelab 01-10 Duramax 2500/3500 Diesel Velocity Series 100 GPH In-Line Lift Pump 8 PSI