Performance Parts

Take control of your LS engine and 6L80 transmission with our Terminator X Max bundle kits! Best of all, you can save up to $90 by purchasing our kits versus the separate components. Part numbers 550-917-6, 550-918-6 and 550-928-6 add GM 6L80 and ...

Make something old, new again with this upgrade kit that will convert a CS2 and CTS2 Juice with Attitude to our latest CTS3 display. This kit will include the new CTS3 monitor, a new window mount and update cable. This will allow total integration...

Sniper EFI 85mm (3-bolt) Throttle Body Plus Spacer PlateFeatures: Cable Operated throttle Body with 85mm opening Enlarged bore allows increased airflow to support higher horsepower requirements Works great as option for factory 3-bolt manifolds Hi...

Holley continues to push the envelope of intake design with its latest offering. The unique look of this intake will surely stand out from the crowd!Our latest release of fabricated "Dual Plenum" intake manifolds for GM LS1/2/6 and LS3/L92 engines...

This 3.5" Touch Screen LCD Handheld Controller gives you access to a wide range of tuning options. Additionally this display can be used as a fully customizable data monitor! With this 3.5" display your Sniper EFI system vitals can be viewed with ...

Ideal for connecting any Sniper 2 EFI M8 accessories such as the Bluetooth module, 5" Sniper 2 Dash, or 12.3" and 6.86" Pro Dash.Features: M8 connectors Fully Terminated 8 ft. to fit multiple installations Recommended for Sniper 2 and Pro Dash pro...

The CAN to USB communication cable provides you with real tuning time access to the ECU. This cable can be used with Sniper 2 EFI tuning software, which can be downloaded for free from the Support section of Holley's website.Features: Real time 8’...

3.5" LCD touch screen handheld controller gives you access to a wide range of tuning options. Additionally, this display can be used as a fully customizable data monitor. With this 3.5" display, your Sniper EFI system vitals can be viewed at a qui...

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...

Designed to work with the 565-300 HyperSpark distributors with a clockwise rotation, used in many applications. Tool was created to assist in aligning the housing to the rotor for the correct reference angle.Features: Small indicator to point out ...

Holley's Sniper Stealth 4150 Master Kit gives you carburetor styling but functions just like the Sniper! A 4150 stealth is a great way to upgrade your ride to fuel injection in a cost-efficient way with just 4 simple connections required. Take 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...

Want to make the switch from the original Sniper EFI to Sniper 2 and don't want to rewire your system? The new Sniper 2 upgrade kits are designed to do exactly that! Included with each Sniper 2 Plug and Play upgrade system is an adapter solution t...

This in-tank fuel pump module is a high-pressure unit that flows 350 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 750 horsepower. Featuring a pre-calibrated fuel-level sending unit desi...

Finally, an affordable Coyote intake manifold that also performs! The Hi-Ram and Ultra Lo-Ram are designed to fit stock bolt pattern OE heads found on the 2011-2023 Ford 5.0 Coyotes and related engine families, such as, Voodoo and Predators. These...

This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting EFI (electronic fuel injection) engines producing up to 550 horsepower. Fuel pressure is internally regulated to 58 psi elimina...

This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. Featuring a pre-calibrated fuel-level sending unit desi...

When switching your 1982-1992 Camaro / Firebird 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 don't have t...

Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory...

The Holley GM Gen V LT Ultra Lo-Ram intake manifold kits are designed for GM Gen V LT engines equipped with GM LT cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Ultra Lo-Ram intake manifolds are designe...

These standalone Terminator X ECUs (Electronic Control Unit) are intended to be used as service components for your Terminator X EFI installation. The Terminator X ECU features real-time fuel learn, high impedance injector drivers, an integrated 1...

The Terminator X offers an advanced engine management solution specifically tailored for the formidable 7.3-liter Godzilla engine. Designed to unlock the full potential of these powerhouse engines, the Terminator X provides unparalleled control ov...

Take control of your conventional Ford engine with Terminator X. Don't settle for a factory ECU with a cumbersome tuning interface or pre-programmed tuning chip when you can have complete control of your engine, self-learning fuel strategies and t...

Holley EFI Pro Dash replacement harness for standalone digital dashes.Features: Direct replacement Plug and Play New connectors Unterminated sensor leads Specs: Brand: Holley EFI Category: Electrical, Lighting and Body Connector Color: Black E...