Available Adaptor Harnesses

The Fast Track Harness makes it possible!
For fitting FAST, FAST XFI ECUs, Big Stuff 3 and Accel ECUs to run today's modified EFI motors!
If you want to utilize the power you have for your race car, take control of your operating parameters and program your car the way you want it select a programmable ECU that fits your needs.

Fast Track Performance.com designs and develops adapter Harnesses to utilize your factory computer in congruence with an Accel DFI Gen 6 or Gen 7, FAST (old), FAST XFI and Big Stuff 3. Our adapters come in splice-in design. The splice in harness system will keep your factory computer running while having the tuning capability of the aftermarket fuel injection computer. This works best to keep your factory accessories functioning like factory. Full details and instructions are included. We also offer Stand-Alone (Plug-In) versions. We can supply you with all the necessary wire and cables along with the correct ends to make your project work. The Accel, Fast and Big Stuff 3 units have various options available, we can set you up with the right one for your application...eg wide band, bank to bank, or sequential. Call us before you buy your ignition, coils, sensors ect. so you end up with the right part the first time.

We manufacture Adapters and Interface Harnesses for most late model GM and Ford Performance Cars and Trucks both OBD-I and OBD-II. You don't need to remove the factory wire harness. In fact the factory computer can remain operational. You will enjoy the full programmability of your performance computer (Accel DFI or FAST) without sacrificing electronic transmission controls and other factory functions. We also sell Injectors, and Fuel pumps, Regulators, Sensors, etc. Everything you need to complete your hi-performance fuel-injected project. Feel free to inquire about "Combination Packages".

Email: brian@brianmacy.com

Call 360-455-7252

Fast XFI, Wideband O2, Software with Fast Track splice in harness systems starting at $2199.00

Big Stuff 3, Wideband O2, Software with Fast Track splice in harness systems starting at $2299.00