One of the parts missing from this Jeep was the fuel pump/sending unit assembly. We could have gone for a used YJ assembly or a new Chinese-built unit. The factory pump would feed our 260hp LT-1 with nary a trouble. But, we have some plans for more power down the road, and on paper, 500hp just might be possible. At that point, the factory pump can fall short. This Aeromotive Phantom 340 fuel system will support up to 700hp, so we are covered there. Also, it features a cup that will help keep fuel on the pickup much better than the factory YJ pump when we are at extreme angles.