Compliance Engineering & VASS Certification
Performance, Structural & Modifications
Vehicle modification approval in Victoria is not a box-ticking exercise.
It is an Engineering process that requires Judgment, Experience, and Accountability.
We provide Compliance Engineering for complex vehicle modifications — specialising in performance builds, structural modifications, and conversions. Our approach focuses on first-time pass outcomes, clear documentation, and defensible engineering decisions.
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Vehicle modifications we are authorised to certify include:
Performance Engine Upgrades and conversions
Engine conversions, modifying or adding a Turbocharger or Supercharger to an engine
Body and Chassis Design and Modifications. GVM Upgrades
Body structural design and modification - Different body on a chassis frame. Chassis design and modification. Post Registration Gross Vehicle Mass (GVM) Upgrades
Fuel Tank and
Fuel Systems
Installation of alternative fuel tanks including long range fuel tanks. Fitment of surge tanks
Transmission and Rear Axle
Replacement
Manual transmission swap or automatic to manual conversion. Rear differential upgrades
Campervan and Motorhome Conversion
Conversion of a suitable
vehicle to a Campervan or Motorhome configuration.
Steering System Conversion
Fitment of approved Power Steering and/or rack and pinion steering conversion kits.
Brake System Conversion Design and Fitment
Design of brake system conversions and brake component substitution. Fitment of disc brake conversion kits, adding brake balance or pressure limiting valves
Seating and Occupant Protection
Installation of complying seats and seat belts to approved seat and seat belt anchorages and removal of seats to reduce seating capacity. Fitment of Child Restraint anchorages
Suspension
Fitment of approved suspension components and kits.