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Edelbrock Pro-Flo EFI Fuel Rail for Honda Acura “B”and “D”Series INSTALLATION INSTRUCTIONS

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• DESCRIPTION: The Edelbrock Honda/Acura Fuel rails, Part # 4794,4796, and 4798, have been designed to fit stock, Edelbrock Victor X, or our Edelbrock Performer X manifolds using stock Honda injectors. Part #4795,4797, and 4799 accept Bosch-style injectors. These fuel rails feature a flow-through design 5/8″fuel passage with -8 AN o-ring threads at each end. They are fully CNC machined from aluminum extrusions, polished, then hard anodized for use with racing fuel (including methanol and alcohol). These fuel rails also include a fuel regulator mounting at the end of the rail that can be used with stock or aftermarket regulators, as well as two auxiliary 1/8″NPT ports for pressure gauge, nitrous system fuel supply, etc.  KIT CONTENTS: ?1 – Fuel Rail ?1 – O-Ring, 1/2″I.D. 1/16″Thick ?1 – Fuel Pressure Regulator Adapter ?2 – O-Ring, -8 AN ?1 – 12mm x1.0 Russell Honda Fuel Fitting (#4794,4795,4796 & 4797 Only) ?4 – O-Ring, 8mm I.D. x 2mm Thick ?1 – 12mm x1.25 Russell Honda Fuel Fitting (#4798 & 4799 Only) ?3 – Fuel Rail Spacers (4797 Only) ?2 – 6mm x1.0-20mm Socket Head Cap Screws ?2 – M-8 Fuel Rail Spacers (4799 Only) ?2 – 1/8″NPT Pipe Plugs ?2 – M-5 Fuel Rail Spacers (4799 Only) ?1 – Purge Bracket Kit (4798 Only) INSTALLATION PROCEDURE  WARNING: When working with gasoline, always work in a well-ventilated area. Do not smoke, and keep all sparks, open flames, or other sources of ignition away from the work area. Failure to do so could result in a fire or explosion causing vehicle or property damage, personal injury, and/or death.  BEFORE BEGINNING: Make sure the engine is cool and the vehicle is on level ground. Disconnect the negative cable from the battery and remember to set the parking brake. It is recommended to clean the area surrounding the fuel rail as to avoid getting dirt or debris into the fuel system.  RELIEVE THE FUEL PRESSURE: The fuel pressure must be relieved before removing the stock fuel rail. This will avoid fuel spillage in the engine compartment. 1. Remove the fuel fill cap. 2. Using a box end wrench, carefully loosen the banjo bolt at the fuel filter while holding the hex on the fuel filter with another wrench. Loosen the banjo bolt one full turn. If your vehicle has a special banjo bolt at the fuel filter, which has a service bolt in the top of the banjo bolt, use a 6mm box end wrench to loosen the service bolt at the fuel filter while holding the banjo bolt with another wrench ( See Fig. 1) .( Note: Place a shop towel or rag over the fuel filter while loosening the bolt to absorb any fuel spray (See Fig. 1) . Also, it is recommended to replace the sealing washers between the banjo bolt and banjo fitting, or between the service bolt and the banjo bolt whenever the bolt is loosened.) 3. Keep the banjo or service bolt loose until all pressure is relieved.  FACTORY FUEL RAIL REMOVAL: 1. Remove the fuel injector wiring harness support from the fuel rail. Unplug the wiring from the fuel injectors (If your vehicle has a purge valve mounted on the fuel rail, unplug the wiring from the purge valve.) 2. Disconnect the fuel inlet line from the fuel rail that leads from the fuel filter to the fuel rail. Disconnect the fuel return line and the vacuum line from the fuel pressure regulator. (If your vehicle has a purge valve mounted on the fuel rail, disconnect the purge valve hose). ( Note: Place a shop towel or rag around fuel line connections before disconnecting to help soak up excess fuel.)

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