For Chevy Blazer/S10/GMC Jimmy/Sonoma 4.3L V6 Full Aluminum 3-Row Tri Core 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: 17.5" x 32.75" x 4" / Core Dimension: 16.15" x 27" x 2" / Inlet/Outlet: 1.5"/1.75" Application: Please Check Part Finder On Top of The Page (Professional Installer is Highly Recommended No Instruction Included)