The smooth inner wall gives it a superb air intake capacity and a smoother flow. 1996-99 GMC C1500 Truck V8 5.7L. 5.9 6.7L Cummins 4 Row Radiator For 03-09 Dodge Ram 2500 3500 5.9 6.7L Cummins 4 Row Radiator For 03-09 Dodge Ram 2500 3500 5.9 6.7L Cummins 4 Row Radiator For 03-09 Dodge Ram 2500 3500 5.9 6.7L Cummins 4 Row Radiator For 03-09 Dodge Ram 2500 3500 5.9 6.7L Cummins 4 Row Radiator Shroud Fan Relay.
