Our Products


ToughDog Coil Spring
are Australian Made

Tough Dog 4WD Coil Springs are designed and manufactured in Australia. All coils use BHP spring steel.

Tough Dog Coil Springs are available in Linear, Dual or Progressive rate.

As most Tough Dog shocks are longer than O.E. shocks, the coils must also be to remain captive at full droop. Our Dual Rate Coil has a progressive section at one end that closes up on the vehicle but allows the coil to be held captive at full droop.

  • 1" to 4" raised height.

  • Light to heavy duty applications are available.
  • Shot peened to reduce stress.
  • Scragged and load tested.
  • Formed on precision mandrels.
  • Accurate heat treatment to ensure the spring performs as designed.
  • Powercoated finish for looks and corrosion resistance.
  • 5 Years Warranty (Refer Important Notice & Conditions on Warranty).


Linear Coil Spring

Linear or constant rate coils offer consistent spring rate in all situations. This coil spring design is suited to most 4WD vehicles to increase ride height and improve stability. They are ideally suited for installation to vehicle equipped with accessories such as steel bull bars and winch combinations.

Progressive Coil Spring

Progressive rate coil provide a smooth comfortable ride when the vehicle is unladen and improved stability and load carrying ability when the vehicle is loaded. Designed to increase the spring rate as the load increases, the vehicle displays less tendency to bottom out, thus improving ride comfort. Itís an ideal solution for vehicles that are laden only occasionally.

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