4WD Springs

Publish Date :July 18, 2016
Summary :

Tough Dog coil springs are designed and manufactured in Australia to exacting standards to stand up to some of the harshest conditions found anywhere in the world. Made from German X5K spring steel, our coils can be designed with less material while maintaining superior ride quality & load carrying characteristics.  The spring retains its original memory even after heavy loading.



The result?  A lighter, tougher coil that can handle just about anything you can throw at it.


Designed in Australia, Tough Dog leaf springs offer a spring pack for just about any application you might require.  Our springs are a proven performer in any situation

Tough Dog leaf springs are a truly progressive rate leaf spring. Each leaf is set slightly higher than the leaf above so there is contact along the whole length of each leaf. There are single stage and two stage springs available for different applications.

Primary and secondary stage leaves ensure that the vehicle’s ride remains uncompromised.  As the spring is compressed under load, the heavier second stage leaves come into play to prevent excessive sag & remove high stresses from the primary stage.


Tough Dog Performance 4WD Torsion Bars offer a spring rate that is approximately 30% higher than OEM bars.

This dynamic increase in spring rate eliminates hard bottoming out when travelling off road and gives better handling in street applications. They can be installed with a moderate pre-load to raise the vehicle for better clearance off road, or to revitalise the handling characteristics at the standard height.

These performance-proven, easy-to-install bars are especially beneficial when oversize tyres or frontal accessories are installed.  Regardless of the torsion bar used, or the accessories fitted, a minimum 60mm of suspension droop (down travel) must be maintained.