Search for “ECU”

The #1 Selling EFI conversion just got better…again! We are bundling some of our top-selling Sniper 2 packages and passing along a savings of up to $180! Available for small-block Chevrolet, Big-Block Chevrolet, and 8.2-inch deck small-block Ford ...

The #1 Selling EFI conversion just got better…again! We are bundling some of our top-selling Sniper 2 packages and passing along a savings of up to $180! Available for small-block Chevrolet, Big-Block Chevrolet, and 8.2-inch deck small-block Ford ...

Gen III HEMI Harness with TPS and Idle Air Control Connections.This wiring harness interfaces a Holley EFI ECU to a Gen III HEMI engine with an aftermarket cable actuated throttle body. It is meant to be used in conjunction with an injector harnes...

The Holley EFI Dominator ECU has built in capability to control dual Drive-By-Wire Chrysler Throttle Bodies - OEM P/N 53034251ABAdditionally, this harness requires pedal assembly part number 0486 1714.Specs: Brand: Holley EFI Category: Air and F...

The Sniper 2 EFI CAN Hub is more than just a connectivity device, it’s a comprehensive solution that transforms your engine management experience. Whether you're a professional tuner or a dedicated enthusiast, this CAN hub offers the tools and fea...

This all-in-one kit combines our vehicle-specific Sprinter delete pipe with custom bench-flash ECU tuning for 2019–2023 Mercedes-Benz Sprinter vans with the 3.0L diesel engine. The delete pipe replaces the restrictive factory exhaust section, whil...

The #1 Selling EFI conversion just got better…again! We are bundling some of our top-selling Sniper 2 packages and passing along a savings of up to $180! Available for small-block Chevrolet, Big-Block Chevrolet, and 8.2-inch deck small-block Ford ...

The touch screen LCD provides a dynamic range of tuning and data monitoring options in a compact 3.5" LCD displayFeatures: Full Color, Backlit 3.5” Touch Screen LCD Laptop-Free Tuning changes to help optimize mileage, driveability and performance ...

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 communicatio...

Take control of your LS engine and 6L80 transmission with our Terminator X Max bundle kits! Best of all, you can save up to $90 by purchasing our kits versus the separate components. Part numbers 550-917-6, 550-918-6 and 550-928-6 add GM 6L80 and ...

Keep the traditional look of a carburator but have the improvements of Holley EFI with an externally mounted ECU with our 4150. This is a stand alone system used with Terminator X and Terminator X Max (not included, throttle body only). Improve yo...

The Terminator X Stealth 4150 2x4 EFI systems from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 1500 HP naturally aspirated or 1250 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-lea...

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 Terminator X ECU is capable of fuel map self-learning a...

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and in...

The #1 Selling EFI conversion just got better…again! We are bundling some of our top-selling Sniper 2 packages and passing along a savings of up to $180! Available for small-block Chevrolet, Big-Block Chevrolet, and 8.2-inch deck small-block Ford ...

Take control of your GM Gen V LT4, LT1, L83, or L86 engine with Terminator X! Do not settle for a factory ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-...