Muscle & Classic Car Valve Locks

Learn how line locks can deliver the perfect burnout, along with tips on proper installation and how to use them.

These days, muscle cars aren't just for straight line blasts down the dragstrip. Here's a primer on some of the trick hardware that's available to make your muscle car into a corner carving Pro Touring car that can do it all.

Learn how to choose the right valve springs for your camshaft, the differences between single and dual valve springs and when to replace them.

Who gets your pick as the best manufacturer from the golden age of the muscle car wars?

I'm sorry to have to tell you this, but the '64 GTO was not the first muscle car.

There is certainly more than one way to get your project's ride height or stance where you want it and we provide a brief overview of the options in this buyer's guide on lowering products.

How proportioning valves work, fixed vs adjustable valves explained, and how to reset a prop valve.

Today we take a look at the differences between proportioning valves (both fixed and adjustable models) and the residual pressure valves we offer in this buyer's guide.

Learn what a manual valve body can and cannot do for your automatic transmission and performance driving needs

Replace those unreliable old door latches in your classic car, hot rod, or classic truck with Bear Jaw Door Latches from Speedway Motors.