Nash Fuel Injector Wiring Harnesses

Read how to wire a lightning sprint engine. This detailed account of how to successfully wire an engine will ensure a smooth installation.

In this Tech Tip, John answers a customer question about the Speedway 12 Circuit Wiring Harness.

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.

Cleaning fuel injector nozzels is a must in your car maintenance regimen. Learn the steps on how to properly disconnect fuel lines and check the barrel valve.

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!

This Chevelle project gets rewired with a Speedway Motors 22 Circuit wiring kit. Follow along as Jeff guides you through this application, starting with a good mounting location for the fuse box. Learn more on continuity, grounding and relays.

AN fittings are a simple and effective way to plumb fluid systems in your car. This AN fittings install guide answers some of the more common questions pertaining to AN fittings and AN line.

Speedway Motors just added some exciting new options to our line of racing harnesses.

Read about how important a clean fuel system is for your micro sprint. Learn how to clean and maintain the fuel system during race season.

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.