GVM Upgrade Package

Stage 4 Chevrolet Silverado 1500 LTZ ZR2 GVM 4250 Upgrade 200 PRE

Maximum legal capacity for the most demanding builds. Ideal for Tray Canopy builds and for the customer who wants to run 35" Tyres legally.

- 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.
SKU CHV-1500-Stage4-GVM-200-PRE
$16,999.00 AUDInstalled & engineered
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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.
BDS Suspension
Fox Suspension

Installation process

  1. Request a quote

    Send us your vehicle details and we prepare a package quote.

  2. Book your install

    Choose an approved installer near you and book a date.

  3. Get certified

    We complete the upgrade and issue engineering certification.

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