GVM Upgrades
Legally increase your truck's Gross Vehicle Mass with a fully engineered, second-stage-manufacturer certified suspension package. Built by Silverback, fitted in-house, compliant Australia wide.
Done Once. Done Right.
Second-Stage Certified
Every kit is engineered and complies with Australian SSM / VSB 14 requirements.
Real Payload Gains
Meaningful GVM & GCM increases so you can load the tray, tow and stay legal.
Insurance & Rego Safe
Full compliance plate and paperwork — no grey-market kits, no dramas.
Fitted by Techs
Installed in-house by qualified technicians who build these rigs every week.
American Trucks. Aussie Compliant.
Shop GVM Packages
Fully engineered, pre-rego federally approved packages fitted in-house at Silverback. Post-rego options also available — talk to us if your truck is already registered.
RAM 1500 DT
RAM 1500 DS
RAM 2500 / 3500
Ford F-150
Ford F-250 / F-350
Chev Silverado 1500
Chev Silverado 2500
GMC Sierra 1500
Toyota Tundra
Get a Straight-Up Quote
Tell us your truck, your load and what you're building — we'll spec the right GVM package and come back with pricing.