United Pacific Dirt Track Electrical, Lighting and Wiring Parts

A guide on how to install a universal wiring harness in a car. Read tips on properly wiring taillights, headlights, gauges, ignition switch, steering column and more.

Check out this headlight wiring and taillight wiring diagram.

Watch our Steering Column Wiring Guide video for useful tips on wiring your new steering column for your vehicle. Ididit takes you through the wiring process.

Are your gauges reading erratically or does your car run out of power at high rpm? It may be the cause of a bad ground. Speedway Motors can show you how to diagnose and fix the problem in no time at all!

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.

Speedway Motors employee Pat O. talks about the King Bee Headlight and a few conduit options available at Speedway Motors.

Speedway Motors employee Jess M. talks about the custom battery tray and cables she built for her '33 Ford.

Piston rings may not be the most exciting part of an engine build, but knowing how to clock piston rings and how to install rings on a piston is critical to your engine performing properly.

Jason explains a solution to blocking the late evening sun while still maintaining full visibility. Watch this video to see the how the Outerwears EZ Sun Visor works.

Common Firing Orders