
Superior Engineering’s Offroad Pro 4 Inch Lift Kits are fully engineered, Department of Transport–approved suspension upgrades that make it possible to legally lift your 4x4 post-registration. Developed alongside external engineers and compliance experts, these kits are built for drivers who want maximum clearance, capability, and confidence on and off-road – without sacrificing legality.
Currently available for Nissan GQ & GU Patrols, Toyota 79 Series, 80 Series and 105 Series LandCruisers, the Offroad Pro system is designed to expand as more vehicles are approved. Whether you’re building from scratch or already running Superior Engineering components, the kit can be tailored to suit your setup; every part has been tested, documented, and approved to meet strict compliance requirements.
On our website you will find detailed product listings, breakdowns of required components, and clear explanations of the approval process – everything you need to finally get that 4 inch legal lift you’ve been waiting for.
Approved for on-road use with a modification plate in QLD. Due to the complex approval process, components are limited to specific tested parts and cannot be substituted with other brands. Contact us for clarification before purchase.


The front end of your Offroad Pro 4x4 is supported by Australian-made heavy-duty coil springs, formed from X5K high-tensile steel for exceptional strength and reliability in harsh conditions. To keep the driveline geometry correct, the diff housing is realigned using the Superior adjustable panhard rod. Manufactured from 32mm OD high-tensile steel, it suits lift heights from 2 to 4inches. Not only is it Australian made, but it’s also covered by a lifetime warranty against bending. That means whether you’re running a Patrol, LandCruiser, or another approved model, your 4 inch lift kit is backed by components that are designed to last.

Every Offroad Pro kit comes standard with Superior Engineering drop radius arms, engineered from Bis80 Steel or 7075-T6 Aerospace Alloy and fitted with genuine bushes for reliability, durability, and correct castor alignment at your new lift height. Backed by a lifetime warranty against bending, these arms are built to last.
For drivers chasing more flex and control, upgrade options include:
- Superflex Radius Arms – a patented design ideal for weekend warriors who want extra articulation without compromising on-road handling.
- Hyperflex Radius Arms – a patented heavy-duty option for dedicated off-road builds that tackle challenging tracks week after week.
- Billet Radius Arms – CNC-machined from 7075-T6 aerospace alloy, they are a lightweight, strong and premium option. Perfect for high end builds a or weight conscious builds.

Take control of any terrain with Offroad Pro shocks designed to balance off-road performance with on-road comfort. Standard Nitro Gas shocks front and rear deliver consistent damping and long-lasting reliability for everyday driving and light off-road use.
Or you could step up to our premium range:
- 2.0 Remote Reservoir Shocks – equipped with model-specific front and rear mounts to keep reservoirs secure and out of harm’s way.
- 2.5 Series or ECDS Shocks – Designed for extreme off-road conditions, offering enhanced damping and superior vehicle control.
- New 3-Way Shocks – fully adjustable high / low speed compression and rebound for ultimate tuning, delivering both on-road comfort and off-road performance.

Ensure your speedometer stays accurate after upgrading your tyres with the Superior Engineering Digital Speedo Correction Module. Designed to compensate for larger wheel and tyre sizes, our module delivers precise, legal speed readings while maintaining full compliance with road regulations. Whether you’re cruising on highways or tackling off-road tracks, your vehicle’s speedometer will always reflect the true speed of your 4x4 and remain within the tolerances as described in ADR 18.

The rear suspension is a critical part of every Offroad Pro kit, tailored to suit each model whether it runs coils or leaf springs. For coil-sprung vehicles like the Nissan Patrol GU/GQ and Toyota LandCruiser 80/105, Superior Engineering supplies heavy-duty coil springs in a variety of load ratings, supported by upgraded upper and lower control arms, sway bars, and sway bar extensions to maintain correct geometry and handling with a 4 inch lift.
For leaf-sprung models such as the 79 Series LandCruiser, the Offroad Pro kit includes heavy-duty multi-leaf spring packs designed for improved load carrying and off-road flexibility, combined with upgraded shackles, pins, and bushes to ensure strength and long-term reliability.
Every rear-end package is built to be a complete solution, balancing strength, articulation, and stability on and off-road. Whether you’re setting up a touring rig, a tow vehicle, or a dedicated off-road build, the Offroad Pro provides the confidence and compliance needed to get the most from your vehicle.

The Offroad Pro also enhances your 4x4’s stopping power, to handle larger tyres and demanding off-road conditions. These upgrades improve pedal feel, heat resistance, and overall braking performance, giving you confidence on both road and trail. For even greater reliability, optional braided brake lines are available, providing superior responsiveness under heavy use.

Offroad Pro kits include upgraded steering components designed to correct geometry and strengthen your 4x4’s front end. Standard parts include Superior Engineering hollow bar drag links and tie rod steering arms, providing durable, reliable performance under heavy use.
For those seeking maximum strength and control, the kit can be upgraded to include:
- Competition Spec Solid Steering Arms – built for extreme off-road conditions and backed by a lifetime warranty against bending.
- Billet Steering Arms – lightweight and CNC machined, making it a premium finish without compromising strength.
- Steering Dampeners – choose from Nitro Gas or 2.0" Bore IFP dampeners, installed with heavy-duty brackets to reduce vibration and improve handling.
and see what kit suits you and your vehicle.
