Model Number : SRS-ALUM-MZDRX79397-MThis aluminum radiator is designed to provide maximum cooling efficiency to prevent premature engine failure. Its light-weight, and high-heat transferring aluminum features a tube and fin design that, dramatically increases surface area that enables the heat to dissipate more efficiently. This Aluminum Radiator is at least 50% more efficient than stock ones. Most importantly, it has a much higher capacity for coolant than stock ones, which means that your cooling system will be more efficient and will be more resistant to temperature surges in racing applications. Features:- 100% Brand New. Never been Used or Installed- Made of High Quality T-6061 Full Aluminum Construction- High Performance Racing Spec. 2-Row Design- Direct Bolt-On OEM Fitment or Replacement- Stronger & Higher Capacity for Coolant than Stock Units- Improves Cooling by 50% Temp.