Steel quality reproduction, of N94 1970 and 71 Hemi Challenger baseplate. Used for all Challengers with a coded N94 option. They also were equipped with the T/A fiberglass challenger hood. Exact reproduction along with the unique lid specifically for this application. The even better news, is that they will be available for Edelbrock, Holley, EFT carbs and Stage V applications. So, if a Shaker is not your thing, this is the next best option!