Cadillac STS-V Supercharger Billet Aluminum Fuel Rails – LS Swap & LC3 Compatibility

Upgrade your Cadillac STS-V supercharger with our Billet Aluminum Fuel Rails, designed specifically for use with our LS engine adapters. These precision-machined fuel rails ensure optimal fuel delivery, durability, and compatibility with GM LS truck-length injectors (EV6 / USCAR). Shorter injector adapters are available for custom applications.

If you're looking to install these fuel rails on your Cadillac STS-V LC3 engine, let us know—we offer shorter mounts to ensure proper fitment.

Key Features & Benefits:

• CNC-machined billet aluminum – Lightweight, strong, and corrosion-resistant
• Designed for Cadillac STS-V Supercharger – Perfect fit with LS swap adapters
• Supports GM LS Truck-Length (EV6/USCAR) Injectors – Adaptable for shorter injectors
• Customizable for LC3 Engine Fitment – Contact us for modified mounting options
• Includes AN Fuel Line Adapters – Available in 6AN or 8AN configurations

What’s Included?

• Billet Aluminum Fuel Rails (high-flow design for performance applications)
• Fuel Rail Mounts & Hardware (for secure installation)
• 6AN or 8AN Fuel Line Adapters & Caps (Please contact us before ordering so we know what type of fuel system you have and we can supply the correct fittings/caps)

Compatibility & Fitment:

• Fits Cadillac STS-V supercharger setups
• Works with LS engine swaps using our billet adapters
• Compatible with GM LS truck-length (EV6/USCAR) injectors
• Adaptable for Cadillac STS-V LC3 engines (shorter mounts available)

Why Choose Our Billet Fuel Rails?

Our high-performance fuel rails provide enhanced fuel flow, durability, and precise fitment, making them a perfect upgrade for any Cadillac STS-V supercharger build. Whether you’re swapping to an LS engine or upgrading your LC3, these fuel rails ensure consistent fuel delivery for maximum performance.