Tomioka Racing Fuel Rail Kit - 2002-2005 Subaru WRX / 2004-2007 STI

Tomioka Racing Fuel Rail Kit - 2002-2005 Subaru WRX / 2004-2007 STI

Tomioka Racing's fuel rail kit for the Subaru WRX and STI GDA/GDB platforms is a bolt-on top-feed upgrade designed to deliver sufficient fuel supply to upgraded injectors.

Top-Feed Upgraded Fuel Rail for GDA/GDB WRX and STI

Tomioka Racing's fuel rail kit for the Subaru WRX and STI GDA/GDB platforms is a bolt-on top-feed upgrade designed to deliver sufficient fuel supply to upgraded injectors. The OEM fuel rail is designed around the factory injector flow rate -- when larger injectors are fitted, a properly designed fuel rail ensures consistent fuel delivery without pressure fluctuation or distribution issues across all four injectors.

What's Included

The kit includes the fuel rail, adapter, pipe plug, mounting kit, and injector washers. Everything required for a clean installation with compatible injectors on the GDA/GDB platform.

Fitment Notes

• Fits 2004-2007 Subaru STI
• Fits 2002-2007 Subaru WRX

Straight From Subispeed

For GDA/GDB WRX and STI builds running upgraded injectors as part of a fuel system upgrade, the Tomioka fuel rail kit provides a clean, purpose-built solution over modified factory hardware.

What's Included

• Tomioka Racing fuel rail
• Adapter
• Pipe plug
• Mounting kit
• Fuel injector washers

About Tomioka Racing

Tomioka Racing has been engineering bolt-on performance parts for Subaru platforms since 2007, with a design philosophy built around factory-style installation and real-world reliability. Every Tomioka Racing product is engineered to work with the factory setup -- clean installation, correct fitment, and durability under sustained use. For WRX, STI, BRZ, and the 86 platform, Tomioka Racing offers one of the most focused and thoroughly developed bolt-on catalogs available at this price point.