Holley EFI

Unlike the other Holley EFI gauges which daisy chain together, the fuel level gauge wires directly to the sending unit, eliminating the need for custom ECU configuration.FeaturesFits GM LS Throttle Bodies105mm Throttle Body Opening - 100° Mounting...

Specifically designed for use with the Holley 351w Hi-Ram intake manifold, this compact unit shares all of the same great features of our other Holley EFI Dual Sync distributors. The design includes dual Hall Effect sensors for the crankshaft and...

The Holley GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high...

Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley...

HI-RAM 105MM Plenum Top for EFI Hi-Ram Manifolds- Bolt down through design. Black finish.FeaturesReplacement Fuel Rail Kit

Have been hesitant on switching to EFI because you like the traditional look of a carburetor? There is no more need to worry! Holley has you covered with the new Terminator Stealth Throttle Body Fuel injection System. Now you can have all of the...

Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems.FeaturesDesigned for GM 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 with 58x Crank, 4x Cam and a Drive-By-Wire Throttle Body, with EV1 Injectors.Real-Time fuel map learn, takes...

The Holley EFI Vacuum Manifold kit is designed for those of you wanting a simple and clean solution for plumbing either vacuum or boost referenced sources. This manifold block features 12 1/8th NPT ports that can be plumbed with most common EFI...

The EFI Hi-Ram manifold line has a new addition for the 351W Ford application. The runner length and tapered cross section design will perform well for a wide range of engine combinations. The engineering team also redesigned the water crossover passage...

Introducing the latest addition to the Holley EFI Product Lineup! Our EV6 unterminated injector harness is perfect for anyone wanting to add EV6 injectors to their engine bay. This harness kit comes with everything you need to build a custom cut to fit...

Holley's BILLET LS Throttle Bodies are the BIGGEST BORE - MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your LS engine! This all new design boasts a huge 105 millimeter bore for when WOT is all...

Have been hesitant on switching to EFI because you like the traditional look of a carburetor? There is no more need to worry! Holley has you covered with the new Terminator Stealth Throttle Body Fuel injection System. Now you can have all of the...