Programmers & Chips

Bolt FAST EZ-EFI technology onto your LS engine with a FAST EZ-EFI Engine + Manifold Kit. Including our FAST EZ-EFI Fuel ECU and Multiport Harness,...

Bolt FAST EZ-EFI technology onto your LS engine with a FAST EZ-EFI Engine + Manifold Kit. Including our FAST EZ-EFI Fuel ECU and Multiport Harness,...

Bolt FAST EZ-EFI technology onto your LS engine with a FAST EZ-EFI Engine Kit. Including our FAST EZ-EFI Fuel ECU and Multiport Harness, in-tank fu...

The EZ-EFI GM LS Engine Transplant Kits allow anyone to easily run a GM LS Gen III/IV engine and transmission outside of the original vehicle and f...

Bolt FAST EZ-EFI technology onto your LS engine with a FAST EZ-EFI Engine Kit. Including our FAST EZ-EFI Fuel ECU and Multiport Harness, inline fue...

The EZ-EFI GM LS Engine Transplant Kits allow anyone to easily run a GM LS Gen III/IV engine and transmission outside of the original vehicle and f...

The EZ-EFI GM LS Engine Transplant Kits allow anyone to easily run a GM LS Gen III/IV engine and transmission outside of the original vehicle and f...

The EZ-EFI GM LS Engine Transplant Kits allow anyone to easily run a GM LS Gen III/IV engine and transmission outside of the original vehicle and f...

Flying Lead Multiport Retrofit Kit with EZ 1.0 Computer and Push-Button Hand-Held

The next generation of the world's simplest self tuning fuel injection system is here. Designed for all applications making up to 650 horsepower, t...

Kit comes with just the connectors, terminals seals to enable you to build the custom harness to fit your project.CatalogUser 1

This kit allows you to connect the XFI to an electric fuel pump and an electric fan. This kit connects directly to the FP/Fan/Esc connector on the ...

This connector kit allows you to connect a vehicle speed sensor or a driveshaft speed sensor to your XFI computer.CatalogUser 1

This connector kit comes with the mating connector to the analog connector on the main XFI harness and allows you to add up to 8 additional inputs ...

FAST's Power Adder Connector Kit allows you to build your own harness from scratch. Connect multiple Nitrous solenoids and take full control over y...

The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s ...

The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s ...

The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s ...

The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s ...

The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s ...

The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s ...

The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s ...

The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s ...

The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s ...