For Jeep CJ 2-Row Full Aluminum Racing Radiator Made of High Quality Full T-6061 Aluminum Construction Stronger & Higher Capacity for Coolant than Stock Units / Light Weight Direct Bolt-On OEM Fitment or Replacement High Performance 2-Row Racing Design / Improves Cooling by 35 - 45% Temp. Overall Dimension: 24.25" x 20.75" x 2.75" / Core Dimension: 24" x 15.5" x 2.25" / Inlet: 1.5" / Outlet: 1.5" Professional Installer is Highly Recommended No Instruction Included