Radium Engineering Fuel Rail

2023–2026 Toyota GR Corolla / 2021+ Toyota GR Yaris

20-0766

Overview:

The Radium Engineering Fuel Rail is a precision-engineered upgrade designed specifically for the 2023 and newer Toyota GR Corolla as well as the 2021 and newer Toyota GR Yaris. Crafted to meet the demands of high-performance applications, this fuel rail supports all necessary engine power requirements with its large internal bore design. Whether you are a performance enthusiast or a daily driver looking to enhance fuel delivery reliability and efficiency, this fuel rail offers a durable and lightweight solution that fits seamlessly under the factory engine cover.

With compatibility for factory or OEM equivalent fuel injectors, the Radium Engineering Fuel Rail ensures straightforward integration without compromising injector fitment or sealing. Its robust construction and thoughtful design make it an excellent choice for those seeking improved fuel system performance and flexibility.

Key Features:

This fuel rail combines advanced engineering with practical features to deliver reliable performance and ease of installation:

• Constructed from lightweight aluminum for strength and reduced weight.
• Large 0.6-inch internal bore diameter supports high fuel flow demands.
• Two end ports feature 3/4"-16 threaded (8AN ORB) fittings for versatile fuel line connections.
• Two top ports are 9/16"-18 threaded (6AN ORB) to accommodate the narrow upper engine bay area.
• Compatible with factory or OEM equivalent fuel injectors using 11mm upper injector O-rings.
• Anodized surface finish provides excellent wear and corrosion resistance.
• Designed to fit under the factory engine cover without modification.
• Can be converted to a pressure regulated return fuel system for advanced fuel management setups.
• No special tools required for installation, simplifying the upgrade process.

Construction & Design:

The Radium Engineering Fuel Rail is precision-machined from high-quality aluminum, ensuring durability while maintaining a lightweight profile. Its anodized finish protects against corrosion and wear, extending the service life of the component in demanding engine environments. The internal bore size of 0.6 inches is optimized to provide ample fuel flow for enhanced engine performance without restriction.

The fuel rail’s port threading is carefully designed to fit the tight confines of the GR Corolla and GR Yaris engine bays. The two end ports use 3/4"-16 threads compatible with 8AN ORB fittings, while the two top ports use 9/16"-18 threads for 6AN ORB fittings, allowing flexible fuel line routing and system configurations.

Installation & Fitment:

This fuel rail is a direct fit for the 2023–2026 Toyota GR Corolla and 2021+ Toyota GR Yaris, designed to replace the factory fuel rail without the need for modifications. It installs using existing mounting points and requires no special tools, cutting, drilling, or tuning. The compact design fits neatly under the factory engine cover, preserving the stock engine bay appearance and clearance.

• Direct bolt-on replacement for factory fuel rail.
• Compatible with factory or OEM equivalent fuel injectors.
• No cutting, drilling, or special tuning required.
• Includes necessary mounting hardware for a secure installation.

What's Included:

• One Radium Engineering Fuel Rail
• Necessary mounting hardware for installation

Radium Engineering specializes in high-performance fuel systems and engine management components, including fuel pressure regulators, fuel rails, fuel surge tanks, and fuel pump hangers. Their products are designed for enthusiasts building or modifying vehicles for high-performance applications, ensuring consistent fuel delivery and preventing fuel starvation during aggressive driving or cornering. Additionally, Radium offers oil catch cans and air-oil separators to prevent harmful oil and carbon buildup in the intake tract, which is critical for the longevity and performance consistency of direct injection and turbocharged engines.