1974 PLYMOUTH CUDA COUPE .style1 text-align: center; 1974 Plymouth Cuda Tooling Proof Body For Sale Very RARE One of None Has a Vin and a Title(Vin: BS23G4B183950) This Tooling Proof Body was the first assembled steel body for the 1974 model year. It was used as a gauge to take measurements from checking the alignment of body panels for production cars. It's in original factory primer and is scribed by Chrysler engineers every 5 on both axis at various intersections. There are factory notations written with a black mark