For Chevrolet C/K Series Full Aluminum 2-Row Racing Radiator Constructed of High Quality T-6061 Aluminum Construction. High Performance JDM Spec. 2-Row Racing Design Light Weight Direct Bolt-On OEM Fitment or Replacement. Stronger & Higher Capacity for Coolant than Stock Units Highly Increase Cooling Performance Overall Size: 32.00 x 19.00 x 3.00 Inch. Core Size: 26.25 x 16.00 x 1.75 Inch Inlet/Outlet Diameter: 1.50" / 1.75"