【Construction】- Constructed of High Quality T-6061 Aluminum Construction, High Performance 3-Row Racing Design 【Feature】- Light Weight Direct Bolt-On OEM Fitment or Replacement. Stronger & Higher Capacity for Coolant than Stock Units 【High Performance】- Improves Cooling by 35 - 45% Temp, Make Heat Dissipation More Efficient to Prevent Premature Engine Failure 【Specification】- Overall Dimension: 25" x 30.5" x 4" / Core Dimension: 18.25" x 26.75" x 2" / Inlet/Outlet: 1.5"/1.75" 【Installation】- Professional Installer is Highly Recommended No Instruction Included