EZ EFI® is now available on most Tri Star high performance crate engines. EZ EFI® by FAST™ features patent pending technology with the most advanced self tuning control strategy available anywhere today. Simply hook up the four necessary wires and any optional wires, answer the basic setup Wizard questions on the included hand-held display and the system tunes itself as you drive. Countless research and development hours were spent on a number of prototype test vehicles to develop a high-quality system truly worthy of the FAST brand.


Capable of supporting up to 650 horsepower engines, the FAST EZ-EFI® Self Tuning Fuel Injection System can be purchased as a complete system, including the ECU, wide-band oxygen sensor, wiring harness, fuel injectors, optional fuel pump kit and other assorted components, including the innovative 4150 Throttle Body from FAST.

When you buy the EZ EFI® system on your Tri Star high performance crate engine we will dyno test it with the fuel injection system on top and tune it for ultimate performance and efficiency. Dyno testing allows us to find the ideal fuel pressure level for the most power.

If you upgrade to the EZ EFI® system Tri Star supplies the master kit. The master kit includes everything in the Base Kit plus the EZ-EFI® Fuel Pump Kit, 600HP (Part # 307503) and the EZ-EFI® Fuel Pump Hose and Fitting Kit (Part # 307600).