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Holley EFI LS Hi-Flow Fuel Rails, Fits LS1, LS2, LS3, LS6 & L99 Factory Intakes 534-209

Holley EFI LS Hi-Flow Fuel Rails, Fits LS1, LS2, LS3, LS6 & L99 Factory Intakes 534-209
Holley EFI LS Hi-Flow Fuel Rails, Fits LS1, LS2, LS3, LS6 & L99 Factory Intakes 534-209Holley EFI LS Hi-Flow Fuel Rails, Fits LS1, LS2, LS3, LS6 & L99 Factory Intakes 534-209Holley EFI LS Hi-Flow Fuel Rails, Fits LS1, LS2, LS3, LS6 & L99 Factory Intakes 534-209
$330.99 ea
NEWARRIVING SOONEstimated Ship Date 03/15/2024 (If Ordered Today)100 Available from HOLLEY PERFORMANCE PRODUCTS as of 02/22/2024
Model: 4007378
STANDARD
DELIVERY
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.
Features:
  • 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
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.
Installation Notes:
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.
About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!

Downloads:

Download Name File Size
199r10582rev4.pdf1.4MB

Videos:

Specifications:

Emission Code 5
Engine GM LS1/LS2/LS6
Material Aluminum
Part Type Fuel Injector Rail
Product Type Fuel Rail

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Holley EFI LS Hi-Flow Fuel Rails, Fits LS1, LS2, LS3, LS6 & L99 Factory Intakes 534-209:
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