Another good reference added today! :banana: 1971 Dodge Salesman Models & Equipment Prices
https://www.e-bodies.org/resources/data-books-salesman-pocket-facts-color-upholstery-guides/
Direct PDF download of the full book:
http://www.e-bodies.org/Resources/Data_Salesman_Color_Upholstery/1971_Dodge_Salesman_Models_Equipment_Prices.pdf
The Challenger Section only:
http://www.e-bodies.org/Resources/Data_Salesman_Color_Upholstery/1971_Dodge_Salesman_Models_Equipment_Prices_Challenger.pdf
great information!! :banana: now I know how much money to take with me in my travels in Mr. Peabody's WABAC machine