Holley Performance Parts – EFI, Intakes, & More

T-56 Magnum Transmission Harness - Terminated for VSS, Reverse Lockout, and Reverse Lights.

F-Body T-56 Transmission Harness - Terminated for VSS - Reverse Lockout and Reverse Lights

Take control of your conventional Ford engine with Terminator X! Don't settle for a factory ECU with a cumbersome tuning interface or pre-programmed tuning chip when you can have complete control of...

This harness allows you to access all of the I/O built into the Terminator X or X MAX ECU - some kits ship with a 3 wire I/O harness. This harness has all 8 pins populated, 4 Inputs and 4 Outputs...

Drive-By-Wire harness for 2011-2017 Ford Coyote (5.0L) engines 2011-2017 Ford Coyote (5.0L) engines (3) connectors Designed to be used with Ford Throttle Body P/N's - BR3Z-9E926-C, BR3E-9F991-AB,...

This Holley DBW accelerator pedal is a perfect compliment to any vehicle using Drive by Wire. Offers plug and play compatibility with Holley EFI and simply bolts in stock locations when used with...

HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

The Terminator X Max ECU features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, electronic transmission control, drive-by-wire throttle body control, and 4...