Sale and Clearance

Our HyperSpark kits were designed to make upgrading your ignition on a Sniper 1 EFI equipped engine simple. When installed along with a new Sniper 1 EFI system, the combination creates the easiest conversion to install on the market, with only fou...

Do you need to upgrade your ignition system due to a recent Sniper EFI installation, but have no idea which option is best? Look no further than a Sniper EFI HyperSpark Distributor. HyperSpark distributors are plug and play with all Holley Sniper ...

If you're looking to make some big power, the Super Sniper Stealth is made for you! Holley's Sniper EFI Super Sniper Stealth 1250 is the best way to convert your carbureted engine to fuel injection with just 4 simple connections required. Super Sn...

The heart of a fuel system begins with the fuel tank. When building a fuel system, swapping a carb or converting to EFI, it is crucial that you do not contaminate your new parts with dirt, rust, and sludge from an old fuel tank. We offer a simple...

The heart of a fuel system begins with the fuel tank. When building a fuel system, swapping a carb or converting to EFI, it is crucial that you do not contaminate your new parts with dirt, rust, and sludge from an old fuel tank. We offer a simple...

The heart of a fuel system begins with the fuel tank. When building a fuel system, swapping a carb or converting to EFI, it is crucial that you do not contaminate your new parts with dirt, rust, and sludge from an old fuel tank. We offer a simple...

The heart of a fuel system begins with the fuel tank. When building a fuel system, swapping a carb or converting to EFI, it is crucial that you do not contaminate your new parts with dirt, rust, and sludge from an old fuel tank. We offer a simple...

The six-position Edge Revolver for the Ford 7.3L Power Stroke diesel can now be controlled by the Insight CTS3! Change the power levels of your chip using the touchscreen on the Insight CTS3. The new kits will include the Revolver chip, Insight CT...

Attitude AdjustmentWith a streamlined appearance and innovative features, combined with the inline Juice module, the Attitude CS2 delivers shift-on-the-fly power and customized monitoring options through this upgraded button control monitor.Includ...

The Mini Maxx V2 Delete Tuner is one of the most trusted solutions for unlocking diesel performance. Designed for off-road and race use, it allows you to remove restrictive EGR, DPF, and DEF systems, giving your truck more power, better throttle r...

Take your forced induction ride to the next level with a Holley water/meth injection system! Integrated into the Holley HP and Dominator EFI Systems is the capability to control water/methanol injection, allowing you to safely run on lower octane ...

Take your forced induction ride to the next level with a Holley water/meth injection system! Integrated into the Holley HP and Dominator EFI Systems is the capability to control water/methanol injection, allowing you to safely run on lower octane ...

Introducing the Holley EFI Wiring Shop. 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 EFI ...

GM Tuned Port / Holley Steathram Engine HarnessSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 3 Harness Application: TPI/ Stealthram Harness Type: Main Part Type: Fuel Injection Harness Product Type: TPI - Stealth...

Replacement 80 lb/hr injector for Terminator EFI.Specs: Body Diameter: 0.97 Body Length: 1.85" Body Style: EV14 Brand: Holley EFI Category: Air and Fuel Delivery CFM: N/A Color: Black Connector Series: EV1 - Jetronic - (Bosch Style) Conne...

Introducing the Holley EFI Wiring Shop. 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 EFI ...

Introducing the Holley EFI Wiring Shop. 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 EFI ...

Introducing the Holley EFI Wiring Shop. 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 EFI ...

Terminator X High Impedance Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp o-rings. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as commonly found in...

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 bas...

Black Ceramic Coated, Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS3/L92 style rectangular port cylinder headsFeatures: 2500-7000 RPM power band 4150 Square bore flange Optimized runner layout and constant cr...

Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.Black Ceramic Coating to provide you with that aggressive look in your engine compartment.Features: Black ceramic co...

The Modular Mid-Rise intake utilizes the popular Holley LS3/L92 rectangle port Mid-Rise intake manifold along with a purpose built plenum base adapter and a Holley 105MM EFI plenum top which converts it into a Mid-Rise EFI intake manifold. With a ...

The Modular Mid-Rise intake utilizes the popular Holley LS1/LS2/LS6 cathedral port Mid-Rise 2 x 4 intake manifold along with a purpose built plenum base adapter and a Holley 105MM EFI plenum top which converts it into a Mid-Rise EFI intake manifol...