【Construction】- Constructed of High Quality T-6061 Aluminum Construction. 3-Row Tri Core Light-Weight 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: 31.25" x 18.375" x 2.5" / Core Dimension: 26.25" x 16.75" x 2.25" / Inlet: 1.5" / Outlet: 1.625" / Transmission Cooler Thread Size : 1/2-20UNF 【Installation】- Professional Installer is Highly Recommended No Instruction Included