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A 79 Series GVM upgrade costs more than a standard lift kit because it includes springs and shocks certified for the higher mass, plus the engineering and compliance work. The final figure depends on the capacity you need, the shock type, and pre or post-registration certification. We weigh your truck and quote it to your exact build rather than a ballpark.
If you're pricing a 79 Series GVM upgrade, the honest answer is that it depends on your truck and how you load it, so any single number online is a guess. What we can do is explain what drives the price, so you know what you're paying for and don't over-buy capacity you'll never use. When you're ready for a real figure, we'll weigh your truck and quote it as part of our 79 Series GVM upgrades.
Three things move the price. First, the capacity: a higher certified GVM uses stronger springs and shocks and, in some cases, more engineering, so a package to around 4,200 kg costs more than one to around 3,900 kg. Second, the shock type: quality twin-tube shocks sit at the value end, big bore steps up, and remote-reservoir kits for hard, fast, remote work cost more again. Third, the certification path: pre-registration and post-registration upgrades involve different engineering and paperwork, which affects the total.
A GVM upgrade is not just a taller lift kit. You're paying for suspension that is legally rated and certified for the weight, which is exactly what protects you at a weighbridge and on your insurance.
The price tracks the capacity, the shocks and the certification, so the spec you actually need sets the cost.
Because two 79s that look identical can need different kits. A single-cab tray truck running a service body every day carries differently to a dual-cab tourer that's only fully loaded on trips. If we sold you a one-size price, you'd either overpay for capacity you don't use or, worse, end up under-specced and still overloaded. We weigh the truck, look at how you load it, and quote the kit that suits, which usually saves money against buying blind.
A quote built from your real weights beats a headline price, because it matches the capacity to how you actually use the truck.
If you regularly load the truck, yes. Running over GVM affects braking and handling, can void your insurance in a crash, and puts you offside legally. Set against that, a certified upgrade buys you legal carrying capacity, suspension rated for the weight, and the compliance paperwork to back it. For a working ute or a serious tourer, it's less an upgrade and more the thing that makes the load legal.
For a truck that carries weight, the cost buys legality, safety and a suspension that actually copes, which is money well spent.
We weigh the truck, recommend the right capacity, supply a certified kit (Formula 4x4, Bilstein, Lovells and other proven brands), fit it, handle the compliance paperwork, and sort the wheel alignment and any towing setup at the same time. Because we've been a suspension specialist since 1976 and fit these across a national workshop network, you get the assessment, the hardware and the certification under one roof rather than chasing three suppliers.
The price covers the whole job, assessment through to certified and aligned, not just a box of parts.
| Factor | Lower Cost | Higher Cost |
|
Certified capacity |
~3,900 kg |
~4,200 kg |
|
Shock type |
Twin-tube |
Big bore or remote-reservoir |
|
Certification |
Simpler path for your state |
More involved engineering |
|
Extras |
Alignment only |
Towing setup, additional components |
Use it to see where your build sits, then let us weigh the truck and turn it into a firm quote.
Looking for more information about 4x4 lift kits and suspension? Below we answer the most commonly asked questions
Fulcrum Suspensions Specialises in Suspension
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