Restoring/Maintaining: Mustang parts are widely available from multiple sources, and many rare items are being remanufactured. Rare option parts are not cheap, but can be found.

But here’s a catch. The GT500 isn’t just any Mustang—it’s a Shelby, and that means some parts (like the engine, suspension, and even some bodywork) are unique. The Ford manual will get you 90% there, ...