AC Throttle Return Springs

Build a high-performance Gen V LT engine with proven power combos and learn about LT upgrades and tuning tips for maximum power

The classic 350 small-block Chevy is beloved for its simplicity and strength. And yes, you can turbocharge it to unlock modern levels of horsepower. Turbocharging a SBC 350 can transform your vintage V8 into a streetable, tire-shredding monster..

Incorporating a Model A rear cross member and a high arc stock spring into a roadster build.

Read how to install rear drop spring to lower a 1969 C10 pickup. Follow these steps for a smooth installation.

Learn how to mount a traditional transverse rear leaf spring. These tips will help the installation run smoothly and successfully.

Watch as we install a front suspension lowering kit on our 1968 Chevy C10. Upgrades include disc brakes with a 5 on 5” bolt circle as well as 2” drop springs and 2 ½” drop spindles.

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.

It may feel like a daunting task attempting to determine the best leaf spring for your traditional hot rod straight axle build, but our buyer's guide will surely help.

There are two different methods to determine which spring length you need. Check out this speedy tip for help on choosing which one is best for your project.

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