【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: 22.75 x 20.25 x 2.5 / Core Dimension: 22.25 x 16.75 x 2 / Inlet: 1.5" / Outlet: 1.5" 【Installation】- Professional Installer is Highly Recommended No Instruction Included