Plastic Tank/ Aluminum Core Radiator - No Frame - With Oil Coolers (Driver Side - Engine Oil Cooler with 7/8” Quick Connect Fittings on 11 ½” [292.1mm] centers and Passenger Side - Transmission Oil Cooler with 7/8” Quick Connect Fittings on 11 ½” [292.1mm] centers) - With 1/2” Connection (Passenger Side top corner) and 5/8” Heater Return Connection.