

Build your 300 Series right with a GVM Upgrade.
Drive in ~ Drive Out Packages available, contact our sales team today.
With a factory GVM of 3,280kg and a kerb weight of 2,630kg*, you can only legally carry 730kg before you're over your weight limit. If you consider just passengers, a few accessories - a small fridge, a rear drawer) and a van, you're pretty quickly over your 730kg carrying capacity. If you were to properly equip your 300 series with a bull bar, roof-rack, long-range tank, then you'll certainly need a GVM upgrade. Completing the GVM upgrade ensures you have the necessary suspension setup to carry the added weight, along with the compliance to do so legally.
GET YOUR VEHICLE TOWED BY HTP TOWING
* Weights taken directly from Toyota Specs on the GR Sport.
4.2T GVM Upgrade for an ASG 4x4 Dual Cab Conversion
- Upper Control Arms
- Apex 2.5 MRR front coil over (Right)
- Apex 2.5 MRR front coil over (Left
- Apex 2.5 MRR rear shocks (Pair)
- Rear Coil Springs +100kg
- Rear Coil Springs +200-300kg
- Rear Coil Springs +500kg
- Adjustable Panhard Rod
- Cat 6 Indicators
- Reverse light relocation kit
- SSM Federal Engineering
- EFS 200kg Rear Coils, or EFS 400kg Rear Coils
- For ASG 4x4 Dual Cabs only
- Pre and post rego
- Upgraded GVM = 4,200kg, Front axle = 1,630kg, Rear axle = 2,570kg and the max towing capacity is 3,500kg. Average reference mass = 2,773kg.
- Load Rated Wheels Required
- Load Rated Tyres Required
- Upper Control Arms
- Apex 2.5 MRR front coil over (Right)
- Apex 2.5 MRR front coil over (Left
- Apex 2.5 MRR rear shocks (Pair)
- Rear Coil Springs +100kg
- Rear Coil Springs +200-300kg
- Rear Coil Springs +500kg
- Adjustable Panhard Rod
- Cat 6 Indicators
- Reverse light relocation kit
- SSM Federal Engineering
- EFS 100kg, 200-300kg or 500kg Rear Coils
- The vehicle is converted from a MC category wagon to a NB1 category vehicle.
- OEM variants that have 7 seat options have the option for the final row of seats to be removed.
- OEM Factory rim doesn’t have a documented load rating so a rim and tyre package load rated to 1,285kg is required to be compliant with GVM upgrade.
- Upgraded GVM = 4,200kg, Front axle = 1,630kg, Rear axle = 2,570kg and the max towing capacity is 3,500kg. Average reference mass = 2,773kg.
- Load Rated Wheels Required
- Load Rated Tyres Required
Get the maximum from your 300 series dual cab! With a diff reinforcement your rear axle load gets to 3000kg.
- TSA Upgraded diff housing
- Upper Control Arms
- Apex 2.5 MRR front coil over (Right)
- Apex 2.5 MRR front coil over (Left
- Apex 2.5 MRR rear shocks (Pair)
- Rear Coil Springs +200-300kg
- Rear Coil Springs +500kg
- Adjustable Panhard Rod
- Cat 6 Indicators
- Reverse light relocation kit
- SSM Federal Engineering
- Available pre or post rego
- Load Rated Wheels Required
- Load Rated Tyres Required