Radium Engineering Fuel Rail 90 99 Toyota MR2 3S GTE

Fuel rail — the Radium Engineering 90-99 Toyota MR2 3S-GTE Fuel Rail delivers precise fuel delivery and improved serviceability for the 4-cylinder 3S-GTE engine, helping maintain consistent fueling under demanding operating conditions.

This CNC-machined, direct-fit performance fuel rail is engineered for reliability and practical installation. It bolts directly to the engine without any permanent modifications and accepts stock injectors or a range of aftermarket injectors for straightforward upgrades.

• CNC-machined body — ensures dimensional accuracy and consistent sealing surfaces for reliable mounting and reduced leak potential.
• Four 8AN ORB ports — provides dedicated outlets for fuel plumbing and accessories, simplifying plumbing runs and enabling auxiliary fuel system components.
• Direct bolt-on installation — mounts to the engine without permanent modifications, reducing install time and preserving serviceability.
• Injector compatibility — accepts stock injectors and a variety of aftermarket injectors, allowing straightforward injector swaps during a turbo upgrade or other fuel system changes.

As a Radium Engineering component, this fuel rail is presented with an emphasis on fit, finish, and engineered tolerance control expected from a motorsports-focused supplier. The design supports common high-demand fueling configurations while maintaining a compact footprint compatible with the MR2 engine bay.