The most common coil-spring front suspension uses two control arms (also called A-arms because of their shape) per side, mounted to the frame, and a coil spring between them that exerts force on only ...

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 ...

We wish we could tell you that torsion-bar springs are modern technology's answer to the quest for soft riding, long travel, and easily modified suspensions. When we were researching this story we ...