1963-1964 Harrison Air Conditioning Evaporation Box Metal Plate This Corvette reproduction 1963-1964 Harrison Air Conditioning Evaporation Box Metal Plate has been designed to original factory specifications and is manufactured with the latest technology. Your restoration project will look authentic with our reproduction decal. Brushed Aluminum Metal Plate 3M Self Adhesive 3-1/4" x 1-1/2" Dimensions