Holley

Holley EFI Terminator X 550-905 for GEN IV 4.8/5.3/6.0 GM Truck Engines & LS2/LS3 - 58x Crank - 4x Cam - EV6 Injectors - 3.5 in. Touchscreen

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel...

Holley EFI 553-109 7" StandAlone Digital Dash Kit

HOLLEY STANDALONE DIGITAL DASH KIT 7" Digital Dash, Compact & Fully Customizable! Have you been looking for a dash solution for your vehicle, but just cannot find anything you like or...

Holley Performance 550-511-3PX Sniper 2 EFI - Black

Holley Performance 550-510-3XX Sniper 2 EFI - Shiny - Without PDM

Holley 550-511-3XX Sniper 2 EFI Base Kit - Without PDM - 3.5 in. Handheld

The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything...

Holley EFI Terminator X 550-904 for GEN III 4.8/5.3/6.0 GM Truck Engine - 24x Crank - 1x Cam - Multec 2 Injectors - 3.5 in. Touchscreen

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel...

Holley EFI Terminator X Stealth 4150 - Black - 550-1002- 4 Injectors - 650 HP

The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications. The...

Holley EFI Terminator X Stealth 4150 - Black - 550-1005 - 8 Injectors - 800-1500 HP

The Terminator X Stealth 4150 1250HP EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 1250 HP on forced induction...

Holley EFI Terminator X MAX 550-929 for GM LS1/LS6 - 24x Crank - 1x Cam - EV1 Injectors - Drive-By-Wire Throttle Body Control - 3.5 in. Touchscreen

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...

Holley EFI Terminator X 550-910 for GEN IV 4.8/5.3/6.0 GM Truck Engines & LS2/LS3

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel...

Holley EFI Terminator X 550-903 for GM LS1/LS6 24x Crank - 1x Cam - EV1 Injectors - 3.5 in. Touchscreen

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel...

Holley Terminator X 550-1064 Max Stealth 4150 58X LS EFI Fuel Injection Systems

HOLLEY EFI TERMINATOR X MAX STEALTH 4150 - GM LS ENGINES Black - 58X Crank - Trans Control - 650 HP - 3.5 in. Touchscreen The Terminator X Stealth 4150 EFI system from Holley features 4,...

Holley EFI 553-106 7" Digital Dash

The Holley EFI Digital Dash is completely customizable with a variety of gauge and indicator screens that can be programmed to display any parameter you need. The dash also offers a virtual...

Holley Performance 554-114 Dominator EFI ECU

Engine Control ModuleDominator EFI ECU; Custom Built To Order; For Complete System Wideband Oxygen Sensors/Main Wiring Harness/Injector Wiring Harness/Ignition Adapter Harness/Accessories...