ALLOYWORKS 3 Row Aluminum Radiator for Pontiac/Chevrolet Truck Pickup Series I6 / V8 Engine 1961-1966 Fit for Chevrolet Chevy C10 / C20 / C30 / K10 / K20 Pickup I6 /V8 Engine 1961-1966 ; Pontiac Catalina / Bonneville I6 /V8 Engine 1961-1966 ; Oldsmobile F85 6 /V8 Engine 1964-1965 Overall Size: 23.37" x 25.5" / Core Size: 17.5" x 25.25" / Rows: 3; Inlet:1.25" / Outlet: 1.75" Upper inlet:1 :1/2" located on drivers side; Lower outlet:: 1 3/4" located on passenger side.;Trans cooler: Included; Made of High Quality Full T-6061 Aluminum Construction Top Attention: US Stock & Fast Shipping