Today a lot of street-legal vehicles and off-road rigs run modern coil spring suspensions. Coil springs in their various formats have a number of advantages over traditional leaf springs and torsion ...

Leveling kits are a cost-effective way to fit larger-than-stock tires, particularly on large-wheelwelled vehicles, like the Dodge Ram. Spring-spacer kits are an easy, at-home way to increase clearance ...

"Coil bind" occurs when a spring's coils stack solid at or before full camshaft lift. This develops an infinite load on the valvetrain, causing its weakest link to fail. If you're lucky, the result is ...

When designing helical or compression springs, you’ll confront several challenges and trade-offs, especially when it comes to getting the best possible performance from the wire. You will want to use ...