the conversions were approved by amc with the cars ordered through select amc dealers in the customer's selection of options and exterior colors. the conversion cost approximately $3,000 and the dealer's list price was $3,750. the conversion was performed by griffith, which was originally established to build race cars based on the english tvr sports car. headquartered in fort lauderdale, florida, the cars were shipped from kenosha for the conversion. the company was also responsible for the similar "sunchaser" toyota celica convertible. these griffith conversions are considered coach convertibles.