The stock lift pump is barely adequate for the stock engine, so when you start adding the latest in performance electronics or bolt-ons, it can soon be overwhelmed by fuel demand, placing additional strain on the injection pump. Delphi has the answer with their Fuel Lift, Feed & Injection Pumps! These Fuel Lift, Feed, & Injection Pumps are perfect for replacement or auxiliary use when wanting a some added security when running more than stock horsepower and torque.