Proform AC Parts

Learn about the functionality of key parts in a hot rod air conditioning system for install or diagnosing issues. We cover the condenser, compressor and more.

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend.

Modern hot rodding often blends classic looks with modern tech. Integrating current tech in custom cars can face issues like radio noise and erratic gauges due to EMI. This guide helps diagnose and repair common EMI causes.

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend

In this Tech Tip, John offers up a couple solutions to a customer on the hunt for a coil over kit for his 2-door Model A.

Our hot rod expert takes you through his ford I beam axle setup. Follow as he sets up the front end on his split wishbone front suspension Model A.

Learn the proper steps in upgrading your air cleaner assembly to ensure clean air, allowing your engine to more easily make the power that it should.

There is a lot to consider when choosing the proper spark plug for your engine's intended application and power level. Let us take some of the guesswork out with our spark plug buyer's guide.

Some basic info on the various exhaust options carried by Speedway Motors.

Click to learn about split wishbone, hairpin radius rod, and four bar suspensions. Learn the history and difference between these solid axle suspension designs.