Fuel Rails

Fuel Rails

Holley offers fuel rails for a broad range of customers. They have OE-replacement high-flow fuel rails for GM LS engines, as well as fuelrail kits that are direct bolt-ons for all of the Holley EFI intakemanifolds. Or, if you are in a position where you have to build your own fuel rail system, Holley offers virtually every component you couldpossibly need to get the job done right.

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Application-Specific Fuel-Rail Upgrade Kits for GM LS Engines -

Fuel Rail Extrusions -

Fuel Rail Components -

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Fuel Rail Extrusion, Hi-Flow 18 Inch (5/8-Inch ID)

AN-8 6061-T6 aluminum hi-flow fuel rail extrusion for the fabrication of custom fuel injection syste..

$50.48 $45.43

Fuel Rail Extrusion, 18 Inch (1/2-Inch ID)

Bright clear anodized, extruded aluminum universal fuel rails. These machined aluminum EFI fuel rail..

$53.66 $48.29

Fuel Rail Extrusion, Hi-Flow 36 Inch (5/8-Inch ID)

AN-8 6061-T6 aluminum hi-flow fuel rail extrusion for the fabrication of custom fuel injection syste..

$82.09 $73.88

Fuel Rail Extrusion, 36 Inch (1/2-Inch ID)

Bright clear anodized, extruded aluminum universal fuel rails. These machined aluminum EFI fuel rail..

$94.76 $85.28

Injector Bracket Kit for Bosch EV1 Injectors on LS2/LS3/L99

Required when upgrading to Holley (EV1/Bosch style) performance injectors on LS2, LS3, or L99 applic..

$66.32 $59.69

Fuel Injector Bung

Package of 4 aluminum injector bungs. Not Sure? Review this product documentation before you buy!..

$94.76 $85.28

Fuel Injector O-Ring

O-Rings For Delphi and Holley top fed multi port injectors. Package of 16 0-rings. ..

$21.76 $19.58

Fuel Injector Retainer

Package of 8 injector retainers. Used in some OE applications and for use with Holley or other afte..

$11.66 $10.49

Adapter Kit, GM Factory Quick-Connect to Holley Fuel Rail

Do you want to make quick work of a fuel system install into a late-model GM engine equipped with th..

$32.51 $29.26

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