
LS Hi-Flow EFI Fuel Rail Kit for LS1 LS2 LS3 LS6 L99 Factory Intakes
These LS Hi-Flow fuel rails feed factory LS1, LS2, LS3, LS6, and L99 intake manifolds with a large 5/8 in. fuel passage that supports over 1100 horsepower, machined from black anodized aluminum with -8 AN O-ring fittings.
Holley 534-209 Highlights:
- Fits factory GM LS1, LS2, LS3, LS6, and L99 intakes.
- Machined aluminum with black anodized finish.
- -8 AN (3/4-16) O-ring fittings included.
- 5/8 in. fuel passage supports 1100-plus HP.
- Dampens fuel pressure oscillations and back pulses.
- Includes mounting brackets and hardware.
Improve Performance with High-Flow Fuel Rails
Holley billet aluminum fuel rails make a great addition to any engine bay. Designed as a direct bolt-on, these rails will fit OEM intake manifolds and are machined from solid aluminum with the undersides relieved for ultimate weight savings. The aluminum is finished in a hard-anodized finish for durability and a superb look. These sets take full advantage of the 5/8 in. internal diameter fuel passage.

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