Stage 4 Chevrolet Silverado 1500 LTZ ZR2 GVM 4250 Upgrade 200 PRE
- GVM Increase: 4250kg (approx. 1672kg payload) upto GCM Increase rating 8750kg * ZR2 8450kg.
- Key Features: Fox 2.5 Performance Elite suspension, ORI 400kg leaf packs, and required load-rated wheels/tyres.
- Best For: Fully built rigs with rear drawer systems, rooftop tents, and long-range tanks or the ultimate tourer with Tray and Canopies fitted.
- Benefit: Massive payload increase that transforms the Silverado into a true heavy-duty platform while retaining 4.5T braking towing capacity.
- Note: Chevy Silverado ZR2 has reduced GCM due to the 4.2T towing capacity.
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.











