This kit can be built in 1 of 4 ways, including a '39 Stock, '39 Street Rod, '40 Stock, or '40 Street Rod. Some of the available Street Rod options include Cragar SS MAG wheels on wide-tread tires, a custom fuel-injected V8 engine with optional tri-carbs, custom "Nerf" bumpers, and either a '39 or '40 hood, grille, and headlights. The Street Rod Sedan also includes an expanded waterside decal sheet with colorful options, wrapped up nicely in AMT's retro-style packaging!