Holley EFI - LS Hi-Flow Fuel Rails - Fits LS1, LS2, LS3, LS6 & L99 factory intakes 534-209
Type: Fuel Rail
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
- Fuel rails are machined to accept -8 (3/4-16) O-ring fittings
- 5/8” diameter fuel passage provides the flow capacity for high horsepower applications
- Includes (4) -6 to 3/4-16 O-ring adapters
Specs:
- Brand: Holley EFI
- Category: Intake Manifolds
- Color: Black
- Emission Code: 5
- Engine: GM LS1/LS2/LS6
- Fittings Included: No
- Fuel Injection Type: Port
- Fuel Injectors Included: No
- Fuel System Type: EFI
- Gasket Or Seal Included: Yes
- Grade Type: Performance
- Material: Aluminum
- Product Type: Fuel Rail
Tech Resources:
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.
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Important Notices
- Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.