Fuel Injector Pump AdjustableCaracteristicas: Requires use of F. I. rated fuel bottle or equivalent bottle with built in fuel return feature and 5 16 F. I. high pressure fuel line (5 16 high pressure fuel line for use with fuel injection applications) Easily adjustable fuel pressure from 0 150 psi and is regulated through easy to understand controls Controllable fuel supply for servicing fuel injected models Large dial gauge displays fuel pressure on front Peso: 13. 53 Alto: 10.