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Holley Hi-Flow LS Fuel Rails Fits LS1 LS2 LS3 LS6 & L99 OE Factory Intake Manifolds

$229.95 $201.95

Brand Holley
SKU: 534-209

Holley LS Hi-Flow Holley EFI Fuel Rails - Fits LS1, LS2, LS3, LS6 & L99 factory intakes.

Note: If this product is to be used with aftermarket (tall) EV1 performance injectors.

• LS2, LS3, and L99 applications will require taller brackets and adapter O-rings to be used with EV1 injectors. Holley part number 534-212 will have these required parts.

• LS1 and LS6 application will work with EV1 injectors without any additional parts. Holley part number 534-211 allows easy connection to factory fuel lines.

LS Hi-Flow Holley EFI Fuel Rails - Fits LS1, LS2, LS3, LS6 & L99 factory intakes Includes (4) -6 to 3/4"-16 O-ring fittings. Fuel Rail mounting brackets and required mounting hardware.


  • Bright dip, black anodized finish with laser etched EFI logo for long lasting good looks
  • 5/8” diameter fuel passage provides the flow capacity for high horsepower applications
  • Fuel rails are machined to accept -8 (3/4-16) O-ring fittings
  • Includes (4) -6 to 3/4-16 O-ring adapters
Brand Holley EFI
Emission Code 5
Material Aluminum
Product Type Fuel Rail Kit
Part Number 534-209

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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