Search for “ECU”

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 Ho...

Wanting to convert your Dragster or Pro-street vehicle to Fuel Injection? Sniper, the #1 Fuel Injection Conversion system has you covered with the Stealth 4500. Featuring 8 100LB/HR Fuel Injectors this kit is the perfect option for any build looki...

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 ...

This harness is designed for LS1/6 engines from 1997-2004. This harness interfaces with 24x crank and 1x cam sensors. Harness is a perfect fit for installers wanting to mount the any Holley EFI ECU inside of the passenger compartment where it is a...

Holley's Sniper Stealth 4150 Master Kit gives you carburetor styling but functions just like the Sniper! A 4150 stealth is a great way to upgrade your ride to fuel injection in a cost-efficient way with just 4 simple connections required. Take you...

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 your engine, self-learning fuel strategies and t...

3 Port Boost Control Solenoid ValveIncludes: (1) solenoid, (1) ECU pigtail harness with factory crimped ECU pin, (3) 3/16" barb fittings, (1) 1/8" NPT plug, (1) Sintered brass muffler. and (1) spare ECU pin for modified harness lengths.Specs: B...

Tremec TKX - TKO Transmission Harness - Terminated for VSS - Reverse Lockout and Reverse LightsSpecs: Brand: Holley EFI Category: Transmission Connector Quantity: 4 Emission Code: 3 Grade Type: Performance Harness Application: GM Harness Ty...

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 features fuel maps that self-learn and...

Monitor the power of your Holley EFI system at a glance. Holley's new 6.86" Pro Dash delivers over 200 monitoring channels of reliable real-time data in a more compact, full HD package suitable for nearly any motorsports application. Be assured th...

Add GM 6L80/90E transmission control to any existing vehicle utilizing a Terminator X Max ECU. The Terminator X Max ECU allows the ability to use 2007+ GM 6L80E and 6L90E transmissions by communicating via CAN with the internal TCM (Transmission C...

This 3.5" Touch Screen LCD Handheld Controller gives you access to a wide range of tuning options. Additionally this display can be used as a fully customizable data monitor! With this 3.5" display your system vitals can be viewed with a quick gla...

Want to make the switch from the original Sniper EFI to Sniper 2 and don't want to rewire your system? The new Sniper 2 upgrade kits are designed to do exactly that! Included with each Sniper 2 Plug and Play upgrade system is an adapter solution t...

Holley's Sniper Stealth 4150 Master Kit gives you carburetor styling but functions just like the Sniper! A 4150 stealth is a great way to upgrade your ride to fuel injection in a cost-efficient way with just 4 simple connections required. Take you...

Terminator X High Impedance Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp o-rings. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as commonly found in...

Ford 4R70W/4R75W Transmission Harness - Complete terminated harness with j4 connector to operate 1998+ Ford electronic transmissions, for Dominator EFI and Terminator X Max only!Features: Complete terminated harness with J4 connector 1998+ Ford 4R...