• GVM Upgrade - Foam Cell Post Registration Temp Load 3500kg to suit Holden RG Colorado 2012-2015
Generic image only. Actual product may vary depending on model.


Designed and tested for contractors and tradesmen who carry tools and equipment that exceed original manufacturers or legal load limits, or fit a bull bar, winch and long range fuel tank and still have load carrying capacity. The Ironman 4x4 GVM Upgrade will assist in satisfying OH&S, insurance and road transport regulation requirements. Ironman 4x4 has conducted all required testing to ensure complete integration with all safety systems and requirements as well as compliance to Federal laws.

Post Registration, State Approval
Vehicle must be inspected and approved by a state authorised automotive engineer for issue of modification plate.

GVM upgrade includes:

  • Shock absorbers
  • Strut shock absorbers
  • Coil springs
  • Leaf springs
  • U-bolts
  • Greasable shackles and pins
  • Strut shock absorbers
  • Polyurethane spring bushes
  • Tyre Placard


Estimated Likt
Additional Load

Increases GVM to 3500kg.

Compatible with Dual Cab, Single Cab and Extra Cab.

Plus engineering sign off.

Subject to state compliance.

Only available through authorised Ironman 4x4 GVM upgrade installers.


2 year / 40,000km