EFI Engine Management

3-BAR MAP Sensor: for use with PMS/Holley EFI and forced induction Also works with Holley Terminator X and Terminator X Max (Will need to calibrate on Holley Software) Will work with other systems that accept GM style 3 BAR MAP US Made high quality...

Basic universal HP EFI system for Naturally Aspirated small block Fords.  Includes Bosch wideband sensor.  Not for TFI specific ignition.  Will require additional ignition input wire harness depending on application. Holley HP EFI systems...

Basic universal HP EFI system for Naturally Aspirated small block Fords.  Includes NTK wideband sensor.  Not for TFI specific ignition.  Will require additional ignition input wire harness depending on application. Holley HP EFI systems...

Has 86-95 Ford (Fox Body) IAC connector and 3 wire TPS sensor hookup on harness (green, orange and black wires) For TFI Distributor Ignitions use adapter p/n: HLY-558-305 External MAP sensor connector Recommended components for 86-93 Fox Body...

The Holley EFI Pro Dash measures 13.44" wide, 5.81" tall and 1.25" deep. The Pro Dash is completely customizable for use in a variety of motorsports applications. It features a 12.3" 1280x480 resolution low glare, high brightness, high contrast, full...

Replacement Holley EFI NTK Wide band Oxygen sensor. This sensor is a direct replacement for Holley HP, Dominator, Avenger and Terminator EFI systems. Each Sensor is hand calibrated to insure accurate readings when used in conjunction with your Holley EFI...

Replacement Holley EFI, Bosch Wide Band Oxygen Sensor.This sensor is a direct replacement for Holley HP, Dominator, Avenger and Terminator EFI systems. Each Sensor is hand calibrated to insure accurate readings when used in conjunction with your Holley...

Plug and play for Holley Avenger, Terminator, HP, and Dominator ECU fuel and oil pressure inputs. 1/8" NPTFeatures:•Plug and play for both fuel and oil pressure inputs with Holley EFI systems (Terminator systems monitor fuel pressure...

Plug and play for Holley Avenger, Terminator, HP, and Dominator ECU fuel and oil pressure inputs. 1/8" NPTFeatures:•Plug and play for both fuel and oil pressure inputs with Holley EFI systems (Terminator systems monitor fuel pressure...

Have you been searching for a reason to discard your old noisy mechanical speedometer cable? If so, the Holley GPS Module for our 7" Digital displays should be the next addition to your project vehicle. Featuring a simple plug and play installation, this...

Bosch 4.9 Wideband O2 Sensor Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. Anti-Seize pre-applied to sensor threads. Service Oxygen Sensor for Sniper EFI Systems Service Oxygen Sensor for Terminator X...

Designed to plug and play with HyperSpark distributors and Holley EFI main harnesses with an ignition connector, such as part number 558-104. Allows customer to run a "timed sequential" fuel strategy For use with Terminator X EFI systems

CAN Extension Harness (for Racepak and other external CAN drives) 8ft in length. For use with Holley EFI and running directly to a digital dash.  

The CAN to USB communication cable provides the user with real tuning time access to the ECU. This cable can be used with Holley EFI, Sniper EFI, and Terminator X Tuning Software. Which can be downloaded for free from the Support section of our...

This harness is designed for the 1986-1995 Ford 5.0 HO Mass Air Flow EFI engines. You must use the 1989-1993 MAF and Distributor. 1986-1988 must add MAF (mass air flow) sensor. 1994-1995 must modify TPS wiring and change distributor. Harnesses do not...

If you want to have the ability to plug and play the Idle Air Control and Throttle Position Sensors with the Holley HP or Dominator EFI then this kit is for you. Accufab has created a setup that has made it easy to finish out your Holley EFI kit on your...

  Anderson base tune file for Holley Terminator X equipped Fox Body Mustangs. (Please read details below) Fee is $75 per tune file After purchase fill out your tune order form link below: AFM TUNE ORDER FORM The Holley Terminator X system is an...

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 the...

Holley 3 Bar MAP sensor for use with Holley Terminator X ECU and Terminator X Max on Foxbody Mustang. Comes with new weatherpak connector to make a direct plug and play or can modify Terminator harness plug for the plastic bosses to fit correctly. For...

The Holley EFI CAN splitter allows you to add an additional CAN device to your Sniper EFI or Terminator X installation, without needing to unplug the handheld. This easy to install CAN splitter simply plugs into the CAN connector on your main harness,...