Upgrade your S13 SR20DET fuel system with the Radium Engineering CNC Machined Top-Feed Fuel Rail, engineered for high flow, precision, and versatility. This billet aluminum fuel rail converts your factory side-feed setup to top-feed, enabling the use of high-flow aftermarket injectors for serious performance builds.
Crafted with a 0.69-inch internal bore and high-flow ports, this fuel rail accepts a wide range of adapter fittings, making it ideal for custom installations. The black satin anodized finish is compatible with all gasoline and alcohol fuel blends, ensuring durability and corrosion resistance in aggressive applications.
The fuel rail installs directly to factory mounting points and features billet aluminum, anodized injector seats with laser-etched markings. These seats press into the intake manifold to provide a secure, sealed base for top-feed injectors.
Ports & Accessories
- Three large -8AN ORB female ports (both ends and one on the bottom)
- One 1/8 NPT female port on the top
- Extra -8AN ORB port on the bottom center, ideal for the Radium FPD-R Fuel Pulse Damper (P/N 20-0776)
Ensure proper clearance for accessories like fuel pressure regulators, gauges, and dampers before installation. Dimensional drawings are available for reference.
Key Features & Benefits
- Converts SR20DET from side-feed to top-feed for high-flow injectors
- CNC machined billet aluminum construction for strength and precision
- Black satin anodized finish compatible with gasoline and alcohol fuels
- High-flow 0.69-inch internal bore and universal adapter-friendly ports
- Anodized, laser-etched injector seats for a secure, sealed fit
- Supports popular injector sizes (34mm tall with 14mm O-rings)
- Extra ports for fuel accessories, including pulse dampers and gauges
- Direct OEM mounting for simple installation
Included:
- Black Anodized Aluminum Fuel Rail
- Black Anodized Aluminum 30mm Injector Seats
- Stainless Steel Mounting Brackets
- Stainless Steel Mounting Bolts
Injector Compatibility
This kit is designed for 34mm tall injectors with 14mm upper and lower O-rings. Short injectors are specified to maintain hood clearance in tight engine bays. Popular compatible injectors include:
- Injector Dynamics ID1050-XDS-34-14-14
- Injector Dynamics ID1300-XDS-34-14-14
- Injector Dynamics ID1700-XDS-34-14-14
- Injector Dynamics ID2600-XDS-34-14-14
Note: Fuel injectors are not included and must be sourced separately.
