Holley EFI

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!Features4150 Flange...

Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. They are engineered using a Holley fuel filter coupled with quality Earl's Vapor Guard plumbing to provide a fuel...

The touch screen LCD provides a dynamic range of tuning and data monitoring options in a compact 3.5" LCD displayFeaturesFor GM LS1/LS6 engines with 24x crank reluctor with EV1 injectors and...

Expanding on our Transmission Control options from Holley EFI. This new harness 558-455 from Holley EFI provides plug and play transmission control for the 2009+ GM 4L60 when used with a Dominator...

These machined billet aluminum EFI intake elbows allow the use of GM LS throttle bodies on any intake manifold w/ the 4500 mounting flange. Our design incorporates an optimized transition from the...

Holley's BILLET LS Throttle Bodies are the BIGGEST BORE (in the 90 to 95mm category) - MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your...

Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor! While these...

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...

These cast aluminum EFI intake elbows allow the use of GM LS throttle bodies on any intake manifold w/ the 4500 mounting flange. Our design incorporates an optimized transition from the throttle body...

Introducing the all new LED Light Bar from Holley EFI. The days of low oil dummy lights are behind us! This LED display will revolutionize the way you think about shift lights, and warning indicators...

Holley does it again with their new die cast aluminum fuel pressure regulators. The same Holley quality that you expect at a price point that every budget can handle. The regulator contains 3/8" NPT...

Introducing a new Holley EFI DBW Throttle Body wiring harness for the OEM (Original Equipment Manufacturer) Ford Throttle Body commonly found on 2005-2010 Mustang GT's, and the GT500. This throttle...