Sale and Clearance

The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and...

The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and...

The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and...

The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and...

The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and...

The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and...

When switching your 1973-1991 Blazer/Jimmy (25 Gallon Tank) to EFI, you will not find an easier way to upgrade your fuel system than our OE Style 350 LPH EFI Fuel Pump Modules. They are a direct replacement that fits your factory fuel tank so you ...

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...

Pulsar is the most innovative performance in-line tuner to ever hit the market. The Pulsar inline module has made waves among truck owners. The industry-exclusive technology, now available via Pulsar, has totally changed the game when it comes to ...

This simple kit allows you to repair all four sliders found within your two factory L5P Duramax ECM wiring harness connectors. The factory connector uses a plastic slider to lock the harness connector to the factory ECM. These sliders often become...

The EZX is the ultimate performance upgrade for your late model Ford Power Stroke offering total control over your truck with power adjustability on-the-fly. Offering easy installation, improved fuel economy, better towing performance and feature ...

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.Featur...

5.9 Cummins Tuning Made EZ! The EZ is the ultimate performance upgrade for the driver that wants affordable adjustability, added towing power, quick and easy installation, and improved fuel economy.50 State Legal EO/CARB D-541-18Features: Plug and...

The CTS3 camera adapter is for customers upgrading from a CTS or CTS2 monitor that already has a camera using the RCA camera input. The RCA input needs to be converted into a USB input for the new CTS3 monitor for the two products to be compatible...

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 H...

These two new MAP sensor adapters from Holley EFI allow you to quickly add a stainless steel MAP sensor to your existing installation. Holley part #558-466 adapts harnesses with a (MPFI) Weatherpack 3-pin connector to the 3-pin Delphi GT connector...

Universal Unterminated Ignition Harness for HP EFI & Dominator EFISpecs: Brand: Holley EFI Category: Ignition Emission Code: 3 Harness Application: Universal Harness Type: Ignition Part Type: Ignition Harness Product Type: Universal Unt...

If you're thinking of building either a high performance or race multi-point fuel Injection system for your engine, look no further than Holley for your throttle body. Holley offers a line of universal throttle bodies that range in sizes from 1000...

Closed Loop Wiring Harness for Digital 2 bbl Pro-JectionFeatures: Closed loop For Digital 2 bbl Pro-Jection (2) connectors Protective sleeve Specs: Brand: Holley EFI Category: Air and Fuel Delivery Connector Quantity: 2 Emission Code: 5 End 1...

Replacement Throttle Plate for 2000CFM Throttle BodyFeatures:Genuine Holley Quality PartsSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 5 Fuel Injectors Included: No Gasket Or Seal Included: No Idle Air Control Motor...

Holley EFI LS wires are designed to work with Hooker shorty headers to prevent burns resulting in misfires.Features: 8mm Plug Wire Size Offers low 350 Ohms per foot resistance while maintaining very high noise suppression Available in three colors...