60mm Aluminum Racing Radiator Replacement For 1991-2001 Jeep Cherokee XJ/Wagoneer 2.5L 4.0L Inlet Diameter: 1.25 Outlet Diameter: 1.5 Improves cooling by 35 - 45% Temp Made of High Quality Full T-6061 Aluminum Construction Stronger & Higher Capacity for Coolant than Stock Units