Stage 3.5 Chevrolet Silverado 2500 HD LTZ GVM PRE
- GVM Rating: 6000kg (Approx. 2190kg payload) | GCM: 12,474kg
- Key Features: 3" Lift BDS Coil-Over Conversion, Fox 2.5 DSC Performance Elite Series Shocks, and heavy-duty BDS Control Arms. Upgraded with Kelderman fully adjustable rear air suspension (replacing the heavy-duty leaf packs). Engineered for up to 37” Tyres.
- Best For: Fully built rigs with changing rear loads, heavy canopies, and massive tow ball weights.
- Benefit: You get the unparalleled front-end ride quality of the Coil-Over conversion, paired with the ultimate flexibility of Kelderman rear air. Easily raise or lower the rear end of your Chevy Silverado to perfectly match your load, keeping your truck level, comfortable, and highly capable.
Specifications
Key benefits
Increased legal payload capacity
The ORI 3650kg GVM Package legally increases your vehicle's weight limit, ensuring your heavy-duty build stays safe, secure, and fully insured. Massive Payload Boost: Adds roughly 450–550kg of legal carrying capacity—essential for heavy canopies, bull bars, winches, and towing.
Upgraded Fox & BDS suspension
You bought a massive American truck, so why insult it with wimpy suspension? Slap some heavy-duty American components under that beast, let freedom ring, and cue the bald eagles!
Federal engineering approval
Federally Approved (SSM): Fully certified and road-legal nationwide. Zero state-by-state engineering hassles if fitted before first registration. Protect Your Insurance: Driving over your factory weight limit instantly voids your insurance. This certified upgrade guarantees you are covered in an accident.
What's included
Fox SuspensionFox 2.5 Perfomance Series Suspension987-02-004 x 2 987-24-028 x 2
BDS componentsADR Approved Upper Control Arms.BDS121260 x 1
ORI springsORI Leaf Packs, 200kg with Bushes & Ubolts.ORI-CHV-200KG x 2
- Engineering certificationFederally Approved GVM & GCM Data on OE wheels & tyres.



Installation process
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Request a quote
Send us your vehicle details and we prepare a package quote.
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Book your install
Choose an approved installer near you and book a date.
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Get certified
We complete the upgrade and issue engineering certification.











