Aluminum Shroud & 16" Fan for Radiator Part #583, Fits AE583, CC583, EC583 & MC583 - Champion Radiators Sold Separately. For 1970-1985 Jeep CJ Series - Engines 3.8,4.2,5.0 L6 & V8.. Core Dimensions 15 5/8"H x 24"W. Core Dimensions: 15 5/8"H x 24"W approx.