For Chevrolet Corvette Full Aluminum 3-Row Racing Radiator - C3 V8 Constructed of High Quality T-6061 Aluminum Construction. High Performance JDM Spec. 3-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: 32.63 x 18.38 x 2.75 Inch. Core Size: 27.75 x 17.00 x 2.13 Inch Inlet/Outlet Diameter: 1.50"/ 1.75"