DNA Motoring RA-CHEVYT41-3 3-Row Full Aluminum Radiator 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: 30.50 x 20.75 x 2.75 Inch. Core Size: 22.50 x 17.50 x 2.00 Inch Inlet/Outlet Diameter: 1.25"/ 1.25"