Holley EFI

500 PSI Pressure Transducer 1/8-27 NPTFeaturesDesigned for GM LS Engines with 58x Crank, 4x Cam - and EV6 Injectors.Real-Time fuel map learn, takes the guess work out of tuning your base fuel table.High Impedance Injector Drivers will safely power most...

Every racer around is well aware that the crank sensor is an integral part of the fuel injection system. Holley's EFI Crankshaft Signal Sensor is designed to generate an RPM input signal to the ECU when used in ferrous target crank trigger setups. This...

Introducing 2x4 Terminator Stealth EFI upgrade components. The wait is over. These upgrade components allow you to use your current Terminator Stealth EFI throttle body, install a new main harness, and slave throttle body, and you are finished. This...

Dash bezels that are designed to work with the Holley EFI dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger than the OEM panels. The bezels come in a matte black...

2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Terminator X and Terminator X Max ECUs will allow you to control and tune the VVT with the use of the plug and play VVT harness.FeaturesBosch/EV1 style...

Replacement Harness for Holley EFI Pro Dashes - 553-111 and 553-112Features8” diameter, 1/4” thick, billet steel, 36-1 tooth, crank wheel with Black Zinc Oxide finish for superior corrosion resistance & striking good looks.Crank wheel centers off of...

Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full potential...

Required when upgrading to (EV1/Bosch style) performance injectors on LS2, LS3, or L99 applications (not required to upgrade LS1 and LS6 applications).FeaturesModular Design w/ Removable TopOverall Height: 13.34” (w/ EFI Top - 95mm or 105mm) – See...

Plug and play for Holley Avenger, Terminator, HP, and Dominator ECU fuel and oil pressure inputs.FeaturesDesigned for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder headsProvides best performance for forced induction (supercharged or...

This wiring harness interfaces a Holley EFI ECU to a 4V Ford Modular engine. It is meant to be used in conjunction with an injector harness, a coil harness, and ignition modules. Most stock sensors are used with this harness.Features40ft of 3/8” Vapor...

The 558-456 wiring kit is intended to fully populate all of the inputs and outputs for PNs 553-111 and 553-112 Pro Dashes. These can easily be inserted into the existing 34 pin dash connector. It contains loose wires and 2 and 3 conductor cable...

Package of 8 aluminum injector bungs for EV1 type injectorsFeaturesMade from a 5/32” thick UV-resistant ABS composite materialBezels are as strong, or stronger than the OEM panelsBezels come in a matte black finish that will accent your...