What Is a Strut Rod?

A strut bar, strut brace, or strut tower brace is an automotive suspension accessory on a monocoque or unibody chassis to provide extra stiffness between the strut towers.

What is a strut rod used for?

A Strut Rod is used in a variety of suspensions and provides bracing to the (usually lower) control arm to limit front and rear movement. Some also allow for adjustment of caster during alignment.

How does a strut rod work?

Internally, a strut is similar to a shock absorber. A piston is attached to the end of the piston rod and works against hydraulic fluid to control spring and suspension movement. ... Unlike shock absorbers, struts provide structural support for the vehicle's suspension.