Holley Gauge Fittings

Hose & Fitting

Troubleshooting a fuel gauge can be a seriously aggravating issue. Click here for a video showing some hints and tips!

LS swaps are nothing new, but they're still a little mysterious to some of us. Here is an overview of what you will need and what you need to know to swap some modern performance into your muscle car, truck, or hot rod!

Trying to decide if you want to change to fuel injection in your car? The simplicity of EFI conversions are leaps & bounds from where they were a few years ago. Kevin explains how to choose an EFI setup and walks through the installation process.

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.

An LS cam swap can yield big power gains. And, you can do it at home. Here's how...

Follow this detailed guide on installing a FiTech EFI system in a '67 Chevelle. Learn helpful tips along the way including how to route the blue trigger wire away from the coil and ignition system.

The 454 big block Chevy is still a popular build option for when there is no replacement for displacement!

Thinking about a carbureted LS? Learn how LS carb conversions work, what parts you'll need, and how carb vs. EFI compares for power and drivability.