Muscle & Classic Car Fuel Sending Unit Lock Rings

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.

Here are some handy tips for finding the right fuel level gauge and sending unit for your classic car or truck.

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

Speedway Motors employee Pat O. takes some time to discuss the Fuel Gauge Interface Module that allows you to use any gauge set with almost any fuel level sending unit.

Pat talks about one of our LS1 fuel delivery kits.

I'm sorry to have to tell you this, but the '64 GTO was not the first muscle car.

Pat answers some commonly asked questions about the MSD LS fuel delivery kit and shows basic installation tips.

In this Tech Tip, John offers up a couple solutions to a customer wanting the best electric option to fuel his project.

How to clean and seal your old tank

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!