For Bel Air/Biscayne/Caprice/Impala Full Aluminum 3-Row 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 3-Row Racing Design / Improves Cooling by 35 - 45% Temp. Overall Dimension: 27.5 x 21.25 x 2.75 / Core Dimension: 24.75 x 15.75 x 2.25 / Inlet: 1.5" / Outlet: 1.75" Application: Please Check Part Finder On Top of The Page (Professional Installer is Highly Recommended No Instruction Included)