19.5" Conversion Kit with Alcoa Aluminum Wheels ('94-'08 Dodge Trucks) These precision adapters let you run 19.5" wheels on a '94-'08 Dodge one ton dually truck. They bolt directly to the one ton axle and have 10 wheel studs on a 285.75mm bolt circle. The hub pilot diameter is 220.1mm These adapters do not increase load capacity. No aluminum is used in the manufacture of these heavy duty adapters.