AFCO aluminum radiator for '78-'87 GM G Body cars with BB & SB motors. The unit is 31 1/2" W x 18 5/8" T at the mounts. It offers great direct fit and performance, along with an optimized fin count ratio for maximum cooling efficiency. ALL AFCO radiators offer a furnace brazed sealed core without the use of epoxy, and are all 100% tested before shipping.