Spring are mechanical devices that store and apply kinetic energy. They’ve been around a long time and continue to play essential roles in a wide range of machines, vehicles, and engineering tools.

Leaf springs are pretty common on custom 4x4s, even though coil and coilover combinations are becoming quite popular. Coils and coilovers can be tempting, but don't sell the old-fashioned leaf-spring ...

• Stock springs are generally intended for prototyping, and their use in production can compromise designs. • Experts recommend discussing specific design requirements with a spring manufacturer. The ...