Performance Parts

Get all the great features of Terminator self-tuning EFI in a bolt-on system for GM's popular LS engines! The 550-622 kit controls fuel, spark, and 4L60/4L80E transmissions through the Terminator's new 3.5" touchscreen! Install, answer a few basic...

These analog-style gauges are designed specifically for use with Holley EFI systems. They are compatible with all Terminator, HP, and Dominator ECU's, allowing them to be installed in a variety of Holley EFI equipped vehicles. CAN-bus communication...

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley...

Have been hesitant on switching to EFI because you like the traditional look of a carburetor? There is no more need to worry! Holley has you covered with the new Terminator Stealth Throttle Body Fuel injection System. Now you can have all of the...

Includes a single 3 ft. Daisy Chain cable for use with Holley EFI Analog Style CAN Gauges.

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley...

Dash bezels that are designed to work with the Holley EFI dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger than the OEM panels. The bezels come in a matte black...

Have been hesitant on switching to EFI because you like the traditional look of a carburetor? There is no more need to worry! Holley has you covered with the new Terminator Stealth Throttle Body Fuel injection System. Now you can have all of the...

Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full potential...

Holley EFI's Billet LS7 Hi-Flow fuel rail kit is a perfect match for anyone wanting to unleash the full potential of their LS7 powered Hot Rod. These Billet fuel rails are designed to be with OEM LS7 Intake manifolds and OEM LS7 Injectors. Additionally...

Dash bezels that are designed to work with the Holley EFI dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger than the OEM panels. The bezels come in a matte black...

These bold style bezels are a custom option to replace to stock bezel on Holley EFI Analog Style Gauges. They are thicker than the stock bezel and come in packs of 3.