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ORI Chevrolet Silverado 2500HD LTZ GVM Stage 6.5: The "Monster" Kelderman Build (6.5-Inch Lift)

The undisputed King of the Off-Road. Front Coil-Over performance meets Kelderman 4-Link rear air suspension.

  • GVM Rating: 6000kg | GCM: 12,474kg
  • Key Features: Fox 2.5 Performance Elite with BDS Lift Kit Technology (6.5-Inch Coil-Over Suspension Lift engineered for up to 37" Tyres), featuring a Kelderman 4-Link full air rear suspension setup.
  • Best For: The ultimate enthusiast who demands Super Tourer status without compromise.
  • Benefit: This is the absolute pinnacle of suspension engineering. Combining the benefit of a BDS Coil-Over front end with the payload flexibility of a Kelderman 4-Link rear air setup, this package makes the ultimate dream a reality. 100% federally approved Pre-Rego, safe, insured, and ready to dominate any terrain in total luxury.
  • Part Number: CHV-2500-Stage6-GVM-K


Price Including Installation
53,000.00 53,000.00 (Tax included)

GVM Rating: 6000kg | GCM: 12,474kg

Build the Ultimate Beast: Chevy Silverado 2500HD Super-Truck Packages 2020 - 2026

PRE-REGO SSM NB2 APPROVAL

Shatter your payload limits and command the outback without compromise with a Silverado 2500 GVM upgrade. Offroad Industries (ORI) delivers Australia’s ultimate, fully Federally Approved GVM upgrades for the Chevrolet Silverado 2500HD range. Our SSM approvals only apply to GMSV Vehicles. We cannot do private imports.

The ORI Advantage:

  • Massive Stance: Options ranging from a sleek 3” lift up to our monster 6.5” package on 37” tyres.
  • NB2 Upgrades Made Easy: A seamless, ORI-approved pathway from NB1 to the heavy-duty NB2 category via VTA-065187 or we can upgrade NB2 to NB2 via our VTA-065796
  • Bulletproof Compliance: Rigorously tested and backed by Federal SSM Certification.


Backed by punishing testing and uncompromising Federal SSM Certification, an ORI GVM Package doesn't just upgrade your Silverado; it takes it to true "Super-Truck" status. Operating under exclusive ORI Vehicle SSM Approvals, we provide a streamlined, zero-headache pathway to reclassify your rig from an NB1 to a heavy-hitting NB2 category.

The result? Your fully loaded truck, all your gear, and that 4.5T trailer in tow are 100% compliant, secure, and road-legal nationwide when completed Pre-Rego (Federal). Why not invest in your brand new Chevy Silverado 2500HD now? 

*Please note that some additional administration fees may apply to the quoted installation and engineering price. Additionally, all Post-Registration GVM upgrades will incur additional local fees. Shipping is not included in the price.

Chevrolet Silverado 2500 LTZ GVM Specifications

SpecificationOEMStage 1Stage 2Stage 3Stage 3.5Stage 4Stage 5Stage 6Stage 6.5
Lift Size-3"3"3"3"5"6.5"6.5"6.5"
Suspension Type-TorsionTorsionCoiloverCoilover + KeldermanTorsionTorsionCoiloverCoilover + Kelderman
Gross Vehicle Mass (GVM)4495 KG NB1 / 5148 KG NB25500 KG6000 KG6000 KG6000 KG6000 KG6000 KG6000 KG6000 KG
Braked Towing Capacity (BTC)4500 KG4500 KG4500 KG4500 KG4500 KG4500 KG4500 KG4500 KG4500 KG
Gross Combined Mass (GCM)12,474 KG12,474 KG12,474 KG12,474 KG12,474 KG12,474 KG12,474 KG12,474 KG12,474 KG
Kerb Weight3661 KG3741 KG3741 KG3741 KG3741 KG3741 KG3741 KG3741 KG3741 KG
Payload (based on kerb weight)NB1 733 KG / NB2 1386 KG1708 KG2198 KG2190 KG2190 KG2138 KG2138 KG2138 KG2138 KG
Payload Increase (%)-133%199%198%198%192%192%192%192%
Front Axle Capacity2540 KG2540 KG2722 KG2722 KG2722 KG2722 KG2722 KG2722 KG2722 KG
Rear Axle Capacity2994 KG2994 KG3289 KG3289 KG3289 KG3289 KG3289 KG3289 KG3289 KG
Wheel OffsetsPOS 47Pos 12 / 18 ZeroPos 12 / 18 ZeroPos 12 / 18 ZeroPos 12 / 18 ZeroZeroZeroZeroZero
Wheel Load Rating-1600 KG1644 KG1644 KG1644 KG1644 KG1644 KG1644 KG1644 KG
Tyre Load Rating-128Q128Q128Q128Q128Q128Q128Q128Q
Requires Wheel / Tyre Upgrade-
Maximum Tyre Size-35x12.5R18 / 35x12.5R2035x12.5R18 / 35x12.5R20 / 37x12.5R18 / 37x12.5R2035x12.5R18 / 35x12.5R20 / 37x12.5R18 / 37x12.5R2035x12.5R18 / 35x12.5R20 / 37x12.5R18 / 37x12.5R2035x12.5R18 / 35x12.5R20 / 37x12.5R18 / 37x12.5R2035x12.5R18 / 35x12.5R20 / 37x12.5R18 / 37x12.5R2035x12.5R18 / 35x12.5R20 / 37x12.5R18 / 37x12.5R2035x12.5R18 / 35x12.5R20 / 37x12.5R18 / 37x12.5R20

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