Modified Holley Fuel Pressure Regulator Replacement Diaphragms Parts

Learn how to install a bypass and deadhead style fuel pressure regulator. We cover how these regulators work with a carburetor and advantages of each style.

Learn how to install our new Deluxe LS Swap Fuel Filter/Regulator in five minutes for a cleaner look and fewer potential leak points!

A detailed explanation of how Speedway Motors small block fuel pump works and a guide for how to replace and install the mounting gasket.

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.

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.

Building GM’s LQ4 6.0L Gen 3 LS engine for various power levels is easy with the right performance parts recipe.

Rebuilding a carburetor or renewing it is not as hard or intimidating as it looks. This article will guide you through the steps using a Holley rebuild kit.

The process on how to effectively winterize your fuel system in open wheel racing. This includes step by step instructions and recommended parts to use for your fuel system.

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

Should you use single or dual diaphragm brake boosters? Read our guide to learn which is best for your four wheel drum or four wheel disc brake system.