in this months hemmings there are nos taillights w/base for 57-58 imps. i think they come from old dealers stock in south america.as they used these cars for diplomates in the 50's. i got a pair myself last year and they are the real thing for 150.00 a pair from a company called american parts they were easy to deal with and came through quickly.their number is 859-624-1942.norman w/57 conv.