Coil Spring Adjusters

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

Whether you are looking to change the look of your truck, get rid of your tired rusty springs, or upgrade the ride quality of your truck, Speedway Motors has you covered with stock height and lowered spring options.

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.

Learn how to mount coil-overs with this guide. We can help you find your spring rate, compensate for mounted angle, and measure your replacement shock.

Adjustable suspensions allow for big changes to a car's stance and handling characteristics, but it's important to understand some suspension tuning principles before making big changes to the suspension under your custom or race car.

Product guru Jeff K. takes us along as he updates the suspension on his 1946 Ford Sedan Delivery with a set of fresh Mustang II coilovers following an unfortunate incident with a pothole.

Learn how to select the right Coilover shocks for your street rod. Us our chart to find the correct spring rate and get some install tips from the experts.

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

See how Jeff converts his 1967 Chevelle rear suspension to QA1 double adjustable coil-over suspension. This allows added adjustability for ride height and compression and rebound characteristics.

Now that the control arms have been replaced on Jeff's 1967 Chevelle, the next step is to prep the control arms for use with coil-overs. See how to apply shock absorber mounts and the steps it takes to complete this conversion.