67 Dart GT one of the Rarest.

68383GTS said
The 1967 GTS were actually GT cars with the LP vin.Mr Norms of Chicago Illinois installed the 383's into the cars after Dodge said it could not be done.And the GTS was born in 1967.457 GT or GTS 383's built in 1967.In 1968 Mother Mopar started building the 383 GTS cars.
Jim

I know Norm did it first but I believe Dodge did build their own factory 67 383 cars. Check out the ad I posted earlier for the 67 GTS 383 car, built by Dodge.