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Edelbrock EFI Fuel Rail Kit (99-04 GT)

Item 56507
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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation



      Better Fuel Flow. The Edelbrock Aluminum Fuel Rails replace those skinny stock fuel rails to reliably flow more fuel to your high performance engine.

      Quality Construction. CNC-machined from lightweight extruded aluminum these fuel rails have a 9/16" fuel passage, a flow-through design, and 3/8" NPT fittings on both ends. These Edelbrock aluminum fuel rails have been CNC machined to accept Bosch style fuel injectors.

      Application. The Edelbrock EFI Fuel Rail Kit is specifically designed for use on the 1999 to 2004 4.6 V8 Mustangs running an Edelbrock Victor Jr. EFI Intake Manifold (part# 28385).

      Fitment: 1999 2000 2001 2002 2003 2004

      Edelbrock 3639

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (19)

      Write a Review

      Ratings Summary

      4.4 out of 5 overall rating from 19 customers

      Installation Time: Afternoon

      • May 04, 2019

        2 1999 GT - BrianG Installation Time: Afternoon

        Lots of room for improvement

        These rails look good but that’s where the “good” ends. The description says that the ends are threads for 3/8 NPT fittings, which are tapered, but they’re not. They’re threaded for 3/8 NPS (straight pipe). There are no straight pipe to AN fittings so your only option is to use the 3/8 NPT and only run them in halfway (if you over-tighten them you’ll strip your fuel rails). Also, the 99-04 mustangs do not have a return fuel line therefor you have to use the factory fuel pressure sensor and that requires a $75 adapter... AND, the only place you can put the adapter is at the front of the drivers side rail. Being 6” further forward means you have to stretch your wire harness to the limit to reach. If you have a Victor Jr intake then these are your only option. If you have any other intake then I’d definitely get something else.

        Helpful (2)
      • April 16, 2019

        5 2004 GT - Dancar4 Installation Time: Less than 1 Hour

        Awesome product !!!!

        This product fit perfect but you will need to order your fuel lines somewhere else. It was very easy to install and took less than a minute.

        Helpful (1)
      • April 16, 2018

        5 2003 GT - Christian Installation Time: Less than 1 Hour

        Edelbrock fuel rails

        Got them for my edelbrock manifold. Quality is AMAZING and they look fantastic sitting on the manifold. No fitment issues, bought a fuel line kit for them and they were plug and play.

        Helpful (7)
      • February 23, 2018

        4 2002 GT - chavis02 Installation Time: Less than 1 Hour

        Great product

        Easy to install and easy when changing to new injectors

        Helpful (5)
      • February 03, 2018

        1 2004 GT - JesusP Installation Time: Weekend

        Why not just sell a kit

        It’s been a nightmare looking just for parts The part looking is a pain Trying to go to a local store They gotta order it I’ve just had a pain looking for parts Reallly irrated looking for parts It’s super annoying looking for parts

        Helpful (8)
      • December 09, 2017

        5 1999 GT - DesmondB Installation Time: Less than 1 Hour


        Way better than Summit Racing........................................................................

        Helpful (5)
      • November 23, 2017

        5 2004 GT - EvanH Installation Time: Afternoon


        I love the way your engine bay looks once everything is installed

        Helpful (6)
      • February 06, 2017

        5 1999 GT - NathanB

        Edelbrock efI fuel rails

        These fuel rails work great and look great to. Use with stock injectors . Only con is having to buy the expensive fuel fitting's to make them work.

        Helpful (8)
      • July 25, 2016

        5 2001 GT - Customer

        Great Product, Hardware Could Be Better

        These fuel rails are beautiful in the engine bay. You will need to get fittings, adapter, and hose to complete the installation. It fits perfectly. BUT, the bolts that come with it broke in half when I touched the fuel rail the wrong way. Wouldn't trust them. I replaced them with bolts from Lowes and it works fine. Great product overall!

        Helpful (9)
      • June 30, 2016

        5 2003 GT - RedfireRoush Installation Time: Less than 1 Hour

        EFI fuel rails

        Bought this to go with my new intake. It does not come with fittings you must buy them separately and plumb the lines. I just rebuilt my motor so until its broken in I can't tell you on any performance gains.

        Helpful (11)

      Questions & Answers (9 answers)

      5 Top Rated Questions

      Where can I get all that I need to properly install these rails I've already got the mmr adapter for my throttle body I just need to know what the rails don't come with and what they need and where to buy them

      • The Edelbrock EFI Fuel Rail Kit can be plumbed a number of ways. You will need to connect your lines to both rails via a 3/8" male NPT hose end, and then connect the new lines to your existing fuel system. It is also possible to use 3/8 NPT fittings that adapt to AN/JIC fuel lines.

      Helpful (1)

      What size bolts/ washers are used for this item? Can they be purchased separately?

      • This comes with 4 - 1/4-20 x 1-1/4" Hex head bolts and 4 - 1/4" Flat washers. We do not carry them separate from the kit at this time. 

      Helpful (0)

      with the Edlebrock EFI fuel rails Edlebrock jr manifold and Ford Racing 24lbs injectors what aftermarket fuel pump should i run? and is there anything else I should get for precautions?

      • With the modifications listed, the stock fuel pump will be more than adequate for the job. Additional modifications that push the horsepower higher may require a larger fuel pump.

      Helpful (0)

      Will my fuel injectors from from fuel injector clinic part#Item 398389 MPN# IS402-0525H fit on these fuel rails

      • The Fuel Injector Clinic Fuel Injector Set will be compatible with the Edelbrock EFI Fuel Rail Kit.

      Helpful (0)

      Ford Racing 24 lb Injectors? I'm asking if the 24lb Ford Racing injectors will fit on with these fuel rails? No one has specifically answered this question yet.

      • The answer to your question will be yes, the 24 lb Ford Racing Injectors will work with the Edelbrock EFI Fuel Rail Kit (99-04 GT).

      Helpful (0)
      Post Your Question
      4 More Questions
      Is there a hose/ plumbing kit that i can buy for Edelbrock EFI Fuel Rail Kit (99-04 GT), and Edelbrock Victor Jr. EFI Intake Manifold (99-04 GT) Ok i bought the Edelbrock victor manifold and the EFI fuel rails for my Stock 2003 mustang GT . i was wandering if there is a set/ kit for hoses and plumbing for fuel and coolant that i might be able to buy that will connect properly with the rest of the car. since the intake and the rails both use the threaded connectors unlike my stock manifold and rails. and finding any such hoses at any automotive store is proving difficult. Thank you for your time 1 answer
      throttle BBK I have a 2001 mustang Gt 4.6, I got the BBK throttle body 78 mm on it, with 24 lb inyectors, can I use the Edelbrock Victor Jr. EFI Intake Manifold (99-04 GT) with that adds? I want to get the Edelbrock EFI Fuel Rail Kit (99-04 GT) that it says is for this intake, is this going to work? do I need something else? also can I change the option of Edelbrock EFI Fuel Rail Kit (99-04 GT) for BBK High Flow Aluminum Fuel Rail Kit (99-04 GT)? It does work with victor jr intake? 1 answer
      Inyectors Hello please help me. Wich inyectors can I use with this fuel rails. I was thinking to buy ford racing 24lbs. My mustang is stock. Can I use them? Do I must buy ford racing jetronic to uscar adaptaers? Thanks! 2 answers
      What accessories dont come with I am looking to get the edelbrock intake an I wanted to get these to accompany it but what do I need to complete it? 3 answers

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Driver side fuel rail
      • (1) Passenger side fuel rail
      • (4) Bolts
      • (4) Washers

      Tech Specs

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