Holley EFI - Ford 7.3L Godzilla Billet Fuel Rails 534-265
Type: Fuel Rail | Fits: Ford

The new Hi-Flow billet fuel rails are a direct fit for the Ford 7.3L Godzilla engines. The fuel rails feature a 5/8" diameter fuel passage that provides more flow capacity for higher horsepower applications versus stock rails. The black anodized rails have -8 ORB ports on each end and an 1/8" NPT port for a fuel gauge installation option.
Features:
- Bright dip, black anodized finish with laser etched EFI logo
- 5/8” diameter fuel passage provides the flow capacity for higher horsepower applications
- Fuel rails fit stock intake manifold and factory injectors
- Fuel rails machined to accept -8 (3/4-16) O-ring fittings
- Includes (4) -6 to 3/4-16 O-ring adapters
- Includes fuel rails, mounting brackets, and required mounting hardware
Specs:
- Brand: Holley EFI
- Category: Air and Fuel Delivery
- Color: Black
- Emission Code: 5
- Engine: Ford 7.3L Godzilla
- Fittings Included: Yes
- Fuel Injection Type: Port
- Fuel Injectors Included: No
- Fuel System: EFI
- Fuel System Type: EFI
- Gasket Or Seal Included: Yes
- Grade Type: Performance
- Material: Aluminium
- Part Type: Fuel Injector Rail
- Product Type: Fuel Rail
- Sub Category: Fuel Injection System and Related Components
- Type of Component: Fuel Rail
Tech Resources:
534-265 includes fuel rails, mounting brackets and required mounting hardware, but 534-266 fuel rail kit includes everything from the 534-265 and 6 ft. braided hose, (4) 90 degree and (2) straight -6 hose ends.
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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.



