Coyote Racing Parts
Gen 1-3 Coyote Billet Fuel Rails
Go High HP With Holley Fuel Rails
Building a high-horsepower Coyote? Don’t let the factory rails choke your fuel supply. These Holley billet rails open up a massive 5/8″ internal fuel passage to feed your injectors at high RPM - and the -8 ORB end ports let you plumb a proper high-flow fuel system. Black anodized, made to bolt right onto your factory injectors. Built for serious naturally aspirated builds.
Why Upgrade Your Fuel Rails
The factory Coyote rails were designed for stock power, with small internal passages and stock fittings. Add big cams, a high-flow intake, an aggressive tune, or switch to thirsty E85 - and you ask the fuel system to move far more volume than Ford ever intended. Skinny rails create pressure drop down the rail, so the cylinders furthest from the feed go lean right when you need fuel most. These billet rails fix that with a high-volume passage and AN plumbing that keeps every injector fed and your air/fuel ratio stable at the top of the tach.
What You Get
-
Massive 5/8″ internal fuel passage = flow capacity for high-horsepower builds
-
-8 ORB ports on each end = plumb a true high-flow, dual-feed or return-style system
-
Built-in 1/8″ NPT port = easy spot for a fuel pressure gauge or sensor
-
Reuses your factory injectors & clips = machined with the OEM injector clip reliefs
-
Black anodized billet aluminum = race-grade construction and a clean engine-bay look
-
Includes mounting brackets & hardware = a complete bolt-on kit
Fitment
Direct fit for 2011 and newer Coyote engines:
-
2011+ Mustang GT 5.0L Coyote (Gen 1 / Gen 2 / Gen 3)
-
2018+ Gen 3 5.0L direct-injection engines
-
5.2L Voodoo / GT350, plus Boss 302 and Cobra Jet 5.0L
-
A popular fuel-system upgrade for Coyote-swap builds running the factory-style intake
🚨 Heads up: These are Holley’s naturally aspirated (N/A) Coyote rails. They’re the right call for big-cam, high-flow N/A and nitrous combos. If you’re running a supercharger or turbo, confirm the correct boost-rated rail/fuel-system spec with your tuner before ordering.
Note: Always confirm year/engine fitment and your full fuel-system plan before installing.
Fuel System Planning Guide
Upgraded rails are one piece of the puzzle — they only help if the rest of the system can keep up. Use this as a quick reference for what typically pairs with these rails:
|
Component |
Spec / Connection |
Why It Matters |
|---|---|---|
|
Fuel rail passage |
5/8″ internal (this kit) |
Eliminates pressure drop along the rail |
|
Rail end ports |
-8 ORB (×2) + 1/8″ NPT gauge |
Run -8 AN feed/return + a pressure gauge |
|
Injectors |
Reuse factory or upgrade |
Size injectors to power & fuel (E85 needs more) |
|
Fuel pump & lines |
High-flow pump + -8 feed |
Rails can’t flow what the pump can’t deliver |
|
Regulator / tune |
Boost-referenced FPR + custom tune |
Keeps pressure & AFR correct under load |
Bottom line: match the rails to the rest of the system. Pair these -8 ORB rails with adequate injectors, a high-flow pump, the right feed/return lines, and a proper tune. Always confirm the full fuel-system spec with your tuner for your exact power, boost, and fuel.
Specifications
|
Part Number |
534-283 (Holley EFI) |
|
Fuel Passage |
5/8″ internal diameter (high-flow) |
|
End Ports |
-8 ORB on each end |
|
Gauge Port |
1/8″ NPT (optional fuel pressure gauge/sensor) |
|
Material / Finish |
Billet aluminum, black anodized |
|
Injector Fit |
Factory injector clip reliefs — reuse stock injectors & clips |
|
Includes |
Pair of rails, mounting brackets, hardware |
|
Application |
2011+ N/A Coyote 5.0/5.2, incl. 2018+ DI, Boss 302, Cobra Jet |
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Email: coyote@wild5racing.com
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