Modified Valve Spring Testers

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

Expert techs Austin and Pat talk about some of the race car body parts we have to offer and the aerodynamic benefits they can add to your modified.

A guide on how to check piston to valve clearance to prevent interference. See what tools are used to make this process easier.

If your replacing, or purchasing a new spring for a solid front axle, it's important to know where to measure from to ensure you get the right spring for your rod.

There are several types of quarter-turn fasteners used in the performance automotive aftermarket and in this buyer's guide we'll help show you the correct fastener for your application and how some of the most common types of fasteners are used.

Pat talks about air solenoids for your air ride setup.

Testing a 2 or 3 wire speed sensor sounds difficult, but these videos show that it actually is quite easy!

Learn how to install and properly tune brakes with an adjustable proportioning valve block.