Convertible Top Ram: 62 Impala, GM full size (1)New Convertible top rams for the full size 1962 model GM B body big cars, like Impala, Catalina, Parisienne etc and other full size GM cars. Supplied each This is your delivered price if prepaid within Australia. Note.. there has been a few apparent qualities of these available . some considerably cheaper. We have gone off the cheap ones due to hassle & time involved in replacements under warranty. Warranty is strictly 12 months from time of supply.