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Holley EFI Fuel Rails 534-203 Rails, EFI, LS Rails, Aluminum, Black Finish, -8 AN O-ring Inlet, Fittings, Hardware, for Hi-Ram Intakes, Chevy, 4.8-7.0L, Pair

SKU: HLY534-203

Fuel Rails

Holley EFI Fuel Rails 534-203 Rails, EFI, LS Rails, Aluminum, Black Finish, -8 AN O-ring Inlet, Fittings, Hardware, for Hi-Ram Intakes, Chevy, 4.8-7.0L, Pair

SKU: HLY534-203

Fuel Rails
A$612.67
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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Description

These machined aluminum EFI fuel rails are capable of handling 1,100+ hp engines. They feature a large inner diameter bore to decrease fuel pressure drop and help cancel out back pulses.

Part Type

Hi-Ram Fuel Rail Kit LS3/L92/LS7

Data: v4.2 - Upd: 2026-10-14 02:05:59

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
534-203
Product Attributes - Part Type
Fuel Rails
Product Attributes - Product Line
Holley EFI Fuel Rails
Product Attributes - UPC
090127670842
Product Attributes - Fuel Rail Material
Aluminum
Product Attributes - Fuel Rail Color
Black
Product Attributes - Fuel Rail Inlet Size
-8 AN O-ring
Product Attributes - Fittings Included
Yes
Product Attributes - Hardware Included
Yes
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold as a pair.

Reference Information

Brand Name/s Holley
StreetFX SKU hly534-203
SFX Item ID 4783808
Supplier Item Code 4783808
Manufacturer SKU 534-203
Manufacturer UPC 90127670842
Alternative References HOL534-203, 4.8-7.0L

Compatibility

Application Data
  • Fuel Rail Style (application)Holley Hi-Ram
    MakeCHEVROLET
    Beginning Year1997
    Ending Year2004
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • Fuel Rail Style (application)Holley Hi-Ram
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2014
    Engine TypeV8
    Engine Size5.3L/325
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • Fuel Rail Style (application)Holley Hi-Ram
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine Size4.8L/294
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • Fuel Rail Style (application)Holley Hi-Ram
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2019
    Engine TypeV8
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • Fuel Rail Style (application)Holley Hi-Ram
    MakeCHEVROLET
    Beginning Year2006
    Ending Year2015
    Engine TypeV8
    Engine Size7.0L/427
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • Fuel Rail Style (application)Holley Hi-Ram
    MakeCHEVROLET
    Beginning Year2008
    Ending Year2017
    Engine TypeV8
    Engine Size6.2L/376
    Engine FamilyChevy small block Gen III/IV (LS-based engines)

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