Holley Chrysler Street Control Modules

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

Use our Brake System diagram to help with your street rod brake system project. We also diagram both single flare and inverted double flare fittings for you.

Choosing the right suspension products when building your street rod or custom car. A step by step on how to determine which parts are needed for installation, how to calculate the spring rate and other helpful tips along the way.

How does a cooling system work? Why is your engine overheating? What parts should you be giving your attention to? This guide answers all your questions.