Variety of spring parts of suspension system
\Variety of spring parts of suspension system\Variety of torsion bar springs

Variety of torsion bar springs

In some suspension systems of vehicles, a twisting spring is used called torsion bar that is mounted in the head to on chassis or axis and at the end on chassis or axis. This piece that applies the same performance as of spring, has usually circular section with its two extremes in form of spline and of spring steel with special thermal operation. In back suspension system of Peugeot 206 and Peugeot 405 and front suspension system of Nissan pick-up 2000, this type of spring is used.