Federally Approved | ADR-Tested | SSM Certified
Chevrolet Silverado 1500 (4 and 6" lifts) GVM Upgrades Australia
Federally approved GVM upgrade packages for the Chevrolet Silverado 1500. Every stage is ADR-tested, SSM-certified, and installed by our national network of approved specialists.
- Federal / SSM Certification
- ADR-Tested & Approved
- Australia-Wide Installer Network
Why Upgrade Your Chevy Silverado 1500's (4 and 6" lifts) GVM?
ORI Chevy Silverado 1500 (4 and 6" lifts) GVM & GCM Specifications
OEM
Stage 1 LTZ
Stage 2 ZR2
Stage 3 LTZ
Stage 4 ZR2
Gross Vehicle Mass (GVM)
3300 KG
3650 KG
3650 KG
3650 KG
3650 KG
Braked Towing Capacity (BTC)
4500 KG
4500 KG
4200 KG
4500 KG
4200 KG
Gross Combined Mass (GCM)
7160 KG
8150 KG
7850 KG
7160 KG
7160 KG
Kerb Weight
2543 KG
2721 KG
2721 KG
2721 KG
2721 KG
Payload (bases on kerb weight)
757 KG
929 KG
929 KG
929 KG
929 KG
Front Axle Capacity
1724 KG
1724 KG
1724 KG
1724 KG
1724 KG
Rear Axle Capacity
1724 KG
1926 KG
1926 KG
1926 KG
1926 KG
Wheel Offsets
28
20x9 ( +12 | zero)
18x9 (-12)
18x9 (-12)
20x9 ( +12 | zero)
18x9 (-12)
18x9 (-12)
20x9 ( +12 | zero)
18x9 (-12)
18x9 (-12)
20x9 ( +12 | zero)
18x9 (-12)
18x9 (-12)
Wheel Load Rating
862 KG
1100 KG
1100 KG
1100 KG
1100 KG
Tyre Load Rating
862 KG
121 Q
121 Q
121 Q
121 Q
Requires Wheel/ Tyre Upgrade
OEM
✔
✔
✔
✔
Maximum Tyre Size
275/60 R20
35x12.5R18 | 35x12.5R20
35x12.5R18 | 35x12.5R20
37x12.5R18 | 37x12.5R20
37x12.5R18 | 37x12.5R20
Frequently Asked Questions
What is a GVM upgrade?
A GVM (Gross Vehicle Mass) upgrade increases the maximum legal weight your vehicle can carry, using SSM certification.
How much payload can I legally gain?
Gains vary by vehicle and stage. Contact us for figures specific to your Silverado 1500.
What is the difference between the stages?
Each stage offers a different GVM and suspension package. See the package grid above.










