Stage 1 Chevrolet Silverado 1500 LTZ, ZR2 Trailboss GVM Upgrade
GVM Upgrade Package

Stage 1 Chevrolet Silverado 1500 LTZ, ZR2 Trailboss GVM Upgrade

Stop worrying about weight limits and start adventuring with confidence. Offroad Industries (ORI) offers the most comprehensive, Federally Approved GVM (Gross Vehicle Mass) upgrades for the Chevy Silverado 1500 (LTZ, Trail Boss, and ZR2).
GVM increase 3550kg → 3650kg
GCM increase 8000kg → 8150kg
Payload gain +1077kg
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Key benefits

  • Increased legal payload capacity
  • Upgraded Fox / BDS suspension
  • Federal engineering approval

What's included

  • Fox shocks
  • BDS components
  • ORI springs
  • Engineering certification

Specifications

Original GVM3550kg
Upgraded GVM3650kg
Payload gain1077kg
GCM8150kg

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.

Approved Installers

This package is fitted by certified specialists across Australia.

  • ORI Offroad Industries (HQ) Melbourne , VIC TBC

Frequently Asked Questions

What is included in this package?

Fox shocks, BDS components, ORI springs, and full engineering certification.

Is this a legal GVM upgrade?

Yes. It is federally approved under the Second Stage of Manufacture (SSM) process.

How do I get a quote?

Use the Request Quote button above and send us your vehicle details.

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