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...

Are you building a new engine combination, with Sniper EFI? Did you misplace some of the carburetor studs or the throttle linkage stud, when you removed your carburetor? Introducing the new Sniper EFI Installation Kit, containing all of the small...

Holley Sniper EFI Self-Tuning kit + handheld EFI monitor- Shiny Finish Base Kit (no pump, filters, fittings, or fuel line) Holley just brought EFI within range! Introducing Sniper EFI! It’s economically priced so you can have all the benefits of...

It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. The Sniper EFI master kit...

Introducing Holley Super Sniper EFI! Looking to convert your blow thru carbureted supercharged or turbo engine to EFI or do you have a high horsepower naturally aspirated engine and want a bolt-on EFI conversion? Look no further than Holley for the Super...

Holley Sniper EFI Self-Tuning kit + handheld EFI monitor- Classic Finish Base Kit (no pump, filters, fittings, or fuel line) Holley just brought EFI within range! Introducing Sniper EFI! It’s economically priced so you can have all the benefits of...

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...

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...

Have you been looking for a dash solution for your vehicle, but just cannot find anything you like or that is cost effective? No need to look any further as Holley has created a full color touch screen dash that includes sensors for monitoring basic...

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...

Holley's EFI Crank Trigger Kit is engineered to provide an accurate crank speed & position signal to Holley EFI systems in the most-demanding, high horsepower, racing applications. Crank position is measured every 10 degrees as opposed to every 45...

Shielded Unterminated Magnetic Pick-Up harness for Holley EFI systems  

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