Body Lift Kits - What is VSB14? – DMS Fasteners
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Body Lift Kits - What is VSB14?

In the world of 4WD enthusiasts, the thrill of customising and enhancing our vehicles is a passion that unites us. From off-the-shelf items to bespoke modifications, the possibilities seem endless. Yet, with great power comes great responsibility, especially when it comes to staying on the right side of the law. This is where understanding the Vehicle Standards Bulletin 14 (VSB14) becomes crucial.

Links to state/territory specific guidelines: QLD | NSW | SA | ACT | WA | VIC | TAS | NT

The Grey Area of 4WD Modifications: A Cautionary Tale

Imagine strolling into a 4WD shop, picking out a flashy 5-inch lift kit, and driving off without a second thought. Sounds like a dream, right? But what if this dream modification turns your beloved 4WD into an illegal vehicle on Australian roads? This scenario is more common than you might think, and the lack of awareness about 4WD modification laws can lead to unpleasant encounters with law enforcement.

VSB14: Your Roadmap to Legal 4WD Modifications

VSB14 is essentially the Holy Grail when it comes to modifying your 4WD in Australia. This comprehensive guide sets out the legal parameters for vehicle modifications, ensuring safety and compliance with national standards.

Common Modifications and Their Legal Boundaries

  • Tyre Size Changes: Every 4WD has a standard tyre size as designated by the manufacturer. While upsizing is an option, it must align with state regulations. For instance, in Western Australia, you can go up to 50mm larger in diameter, but any further requires engineering approval.

  • Lift Kits: The allure of lift kits is undeniable, but VSB14 imposes strict limits. In some states, the total lift (including tyres, suspension, and body lift) cannot exceed 50mm. It's a common misconception that bigger is always better, but in the eyes of the law, it's not always legal.

  • Wheel Track Adjustments: Those wide tyres and large wheels might look impressive, but there are legal limitations here too. Wheel spacers, often used to achieve that broad stance, are a no-go for on-road use in Australia.

The Risks of Non-Compliance: More Than Just a Fine

Beyond the risk of being pulled over and fined, driving a non-compliant 4WD poses serious risks:

  1. Mandatory Vehicle Inspections: If flagged by the police, you might have to undergo a thorough vehicle inspection, which can be stringent and costly.

  2. Insurance Implications: Most insurance policies require notification of non-standard modifications. If your 4WD is deemed non-roadworthy, it could invalidate your insurance, especially in the event of an accident.

  3. Safety Concerns: At its core, VSB14 aims to ensure road safety. Non-compliant modifications can adversely affect your vehicle's handling, braking, and overall safety.

What Can You Do?

  1. Do Your Homework: Before modifying your 4WD, refer to VSB14 and understand the legalities in your state. This bulletin is your best guide to staying within legal limits.

  2. Seek Professional Advice: Consult with reputable 4WD modification experts who understand VSB14 and can guide you appropriately.

  3. Contact Local Authorities: If in doubt, reach out to your local transport department for clarification. It's better to be safe than sorry.


Modifying your 4WD can be an exciting journey, but it's important to navigate this path with awareness and respect for the law. VSB14 isn't just a set of rules; it's a guideline to ensure that your adventures are both thrilling and safe. So, gear up, get informed, and enjoy the ride – legally!