The basis of a Street Rod is an American made chassis built before 1949.
All modifications are up to the designer.
It will consist of all required components a street rod would need to be ready to roll. Using the internet, pick 3 companies that specialize in aftermarket street rod products. List 25 components that you will be customizing. Using Microsoft Excel, develop a spreadsheet. Lists all components which will be cutomized on the left side of the page and each of the 3 companies chosen at the top.