PROJECT OVERLANDER - CHEVY 2500HD BUILDS
Chevy 2500HD Builds taken to the next level.
Build Your Ultimate Chevy 2500HD
Whether you’re planning a complete touring build or upgrading specific areas of your vehicle, Project Overlander can help design a solution tailored to your requirements.
Book a consultation with our team to discuss your Chevy 2500HD build.
ORI GVM & Lift Packages
Offroad Industries GVM & Lift Packages
Straight from GMSV, the Silverado 2500HD is rated at 4,495 kg GVM — only around 733 kg of payload for a truck that weighs close to 3.8 tonnes before you add a tray, canopy, water and fuel.
Offroad Industries' NB2 packages raise GVM to as much as 6,000 kg while keeping the 12,474 kg GCM. Their SSM NB1 lift packages give you 3–6.5" of lift on 37s and keep the truck on a car licence. We supply, fit and certify every stage at our Smeaton Grange workshop.
Factory rating: 4,495 kg GVM (NB1) · 12,474 kg GCM · about 733 kg payload
NB2 GVM upgrades — up to 6,000 kg (truck licence)
Stage 2
The Tourer Edition (Lapping Australia)
GVM 6000 kg · 3in lift
$22,500 fitted & engineered
View packageStage 3
The Heavy Hauler (Super Comfort Mode)
GVM 6000 kg · 3in coilover lift
$27,500 fitted & engineered
View packageStage 3.5
The Heavy Hauler (Kelderman Air Edition)
GVM 6000 kg · 3in, Kelderman air lift
$48,500 fitted & engineered
View packageStage 5
The "Lifted & Loaded" (6.5-Inch Lift)
GVM 6000 kg · 6.5in lift
$28,000 fitted & engineered
View packageStage 6
The "MEGA " Build (6.5-Inch BDS Coilover)
GVM 6000 kg · 6.5in coilover lift
$34,000 fitted & engineered
View packageStage 6.5
The "Monster" Kelderman Build (6.5-Inch Lift)
GVM 6000 kg · 6.5in, Kelderman air lift
$53,000 fitted & engineered
View packageSSM NB1 lift packages — stays at 4,495 kg (car licence, pre-rego)
Stage 1
The Weekend Warrior 3in Upgrade
GVM 4495 kg · 3in lift · 35in or 37in
$10,500 fitted & engineered
View packageStage 2
The Heavy Hitter 3in Upgrade
GVM 4495 kg · 3in lift · 35in or 37in
$15,000 fitted & engineered
View packageStage 3
The Premium Comfort 3in Coilover Conversion
GVM 4495 kg · 3in lift · 35in or 37in
$19,999 fitted & engineered
View packageStage 4
The Outlaw 5" Legal Monster
GVM 4495 kg · 5in lift · 37in
$21,999 fitted & engineered
View packageStage 6
The Ultimate 6.5" Goliath
GVM 4495 kg · 6.5in lift · 37in
$29,000 fitted & engineered
View packageCompare the packages
| Package | GVM | Lift | Tyres | Price |
|---|---|---|---|---|
| Stage 1 | 5500 kg | 3in | — | $16,500 |
| Stage 2 | 6000 kg | 3in | — | $22,500 |
| Stage 3 | 6000 kg | 3in coilover | — | $27,500 |
| Stage 3.5 | 6000 kg | 3in, Kelderman air | — | $48,500 |
| Stage 4 | 6000 kg | 5in | — | $28,000 |
| Stage 5 | 6000 kg | 6.5in | — | $28,000 |
| Stage 6 | 6000 kg | 6.5in coilover | — | $34,000 |
| Stage 6.5 | 6000 kg | 6.5in, Kelderman air | — | $53,000 |
| NB1 Stage 1 | 4495 kg | 3in | 35in or 37in | $10,500 |
| NB1 Stage 2 | 4495 kg | 3in | 35in or 37in | $15,000 |
| NB1 Stage 3 | 4495 kg | 3in | 35in or 37in | $19,999 |
| NB1 Stage 4 | 4495 kg | 5in | 37in | $21,999 |
| NB1 Stage 5 | 4495 kg | 6.5in | 37in | $21,999 |
| NB1 Stage 6 | 4495 kg | 6.5in | 37in | $29,000 |
Prices are for packages supplied, fitted and engineered. Post-registration upgrades attract extra state engineering and registration fees. Some stages need load-rated wheels and tyres. Offroad Industries (ORI) is an independent Australian brand; Project Overlander is an authorised installer.
Project Overlander fits the full range of accessories for your Chevy 2500HD — wheels and tyres, lighting, racks, awnings, Starlink and complete touring fit-outs.
Electric Side Steps
ORI power steps that drop when the door opens and tuck away on the move.
Lighting & 12V
Driving lights, light bars and dual-battery/lithium systems wired properly.
Awnings, Tents & Camping
Boss RT1 rooftop tents, 270 awnings and shower awnings.
Starlink Mounts
Boss Starlink Mini and Gen 3/4 mounts with 12–24 V power modules.
Long Range Tanks
Extra fuel range for remote touring.
Protection
Underbody protection, flares and bars.
Boss Aluminium Trays and Canopies
25 Years of Australian Manufacturing
Cutting-edge technology and a commitment to quality result in a truly premium range of products.
Boss Aluminium Trays
Standard Inclusions
Checker Plate Tray Deck with Nutserts
Durable checker plate surface equipped with a grid of M12 nutserts for versatile and secure tie-down options across the entire tray deck.
Sheet Metal Headboard
As pioneers in sheet metal headboard design, Boss Aluminium introduced innovation to the market. The sheet metal headboard provides greater functionality than most conventional designs, featuring integrated Anderson Plug outlets and an optional 40L headboard water tank.
100% Powder Coated
100% in-house powder coating with meticulous attention to preparation, ensuring a durable, long-lasting finish that offers exceptional resistance to corrosion, scratches, and harsh conditions.
Integrated Tie Rail
Both the Premium and M-Spec tray designs include a revised multi-purpose tie rail tucked in under the tray deck. This is an incredibly low profile, integrated solution for tying down your cargo.
LED Tail Lights
High-performance taillights that offer superior visibility and durability for enhanced rear lighting.
Integrated Factory Technology
Using advanced manufacturing methods such as 3D scanning, CAD, and 3D printing, Boss Aluminium integrates factory technology—like sonar, reverse sensors, and cameras—into its trays, ensuring all OEM systems function exactly as they do from the factory.
M1 Package
Stage 1 for a work style ute.
- M-Spec Tray Deck
- Heavy-Duty One-Piece Mud Guards
- Classic Tail Infill
- M-Spec Sheet Metal Headboard
- Double Skinned Tray Sides
- Pictured Options
- M-Spec Rear Hoop
- Low Profile Roof Rack
Pictured Options
- M-Spec Rear Hoop
- Low Profile Roof Rack

M2 Package
Added functionality of underbody boxes
- M-Spec Tray Deck
- Heavy-Duty One-Piece Mud Guards
- Classic Tail Infill
- M-Spec Sheet Metal Headboard
- Double Skinned Tray Sides
- M-Spec Rear Under Body Boxes x 2

79 Series Landcruiser
Unlock more out of your 79 series with trays available for both dual and single cab in addition to chassis extended models like the JMACX 300mm Super Chassis.
- LC79 Dual Cab - 1800L x 1850w
- LC79 Single Cab - 2400L x 1850w
- LC79 Dual Cab with 300mm Extension - 2000L x 1850W
- LC79 Single Cab with 300mm Extension - 2800L x 1850W
Mid-Sized Ute
Premium Trays are now also available for more common mid-sized utes for those wanting the Boss Flagship in a slightly smaller package.
Dimensions
- Dual Cab 1800L x 1850W
- Extra Cab 2100L x 1850W
- Single Cab 2500L x 1850W
Boss Aluminium Canopies
M1 Canopy Package
- M-Spec Canopy Shell
- Low Profile Spare Wheel Mount
- Premium Jerry Can Holder
- Low Profile Roof Rack Or Trade Rack
- Rear Wing Platforms
Lengths Available in 1460L, 1690L & 1790L

M2 Canopy Package
- M-Spec Canopy Shell
- Low Profile Spare Wheel Mount
- Premium Jerry Can Holder
- Low Profile Roof Rack or Trade Rack
- Heavy-Duty Folding Ladder Upright Fridge Surround (suit 85L or 130L Bushman Fridge)
- Rear Wing Platforms
Lengths Available in 1460L, 1690L & 1790L

M3 Canopy Package
- M-Spec Canopy Shell
- Low Profile Spare Wheel Mount
- Premium Jerry Can Holder
- Low Profile Roof Rack or Trade Rack
- Heavy-Duty Folding Ladder
- Upright Fridge Surround (suit 85L or 130L Bushman Fridge)
- T15 Drawer and Table System
- 2x S10 Full Module Depth Shelves
- Rear Wing Platforms
Lengths Available in 1460L, 1690L & 1790L

M4 Canopy Package
- M-Spec Canopy Shell
- Low Profile Spare Wheel Mount
- Premium Jerry Can Holder
- Low Profile Roof Rack or Trade Rack
- Heavy-Duty Folding Ladder
- Upright Fridge Surround (suit 85L or 130L Bushman Fridge)
- T15 Drawer and Table System
- 2x S10 Full Module Depth Shelves
- T10 Drawer System
- Rear Wing Platforms
Lengths Available in 1460L, 1690L & 1790L






