OPL HPR065 Aluminum Radiator For Chevrolet Bel-Air (Automatic Transmission) Fits: 1955-1957 Chevrolet Bel-Air 265 & 283 V8 (Automatic Transmission) Inlet: 1.5" / Outlet: 1.75" / Rows: 3 Core Size: 21.5" x 17.25" x 2.5" / Overall Size: 23.5" x 23.5" 5.25" All aluminum alloy construction assembled using 100% precision TIG welds 10 year manufacturer warranty