Built from aircraft grade aluminum for superior strength, this Street Series’ larger tube and fin core maintains cooler temperatures over a longer range of time. 2-1/4″ Thick, 3-Row Core is 120% Larger Than the Factory Radiator 100% Aircraft-Grade Welded 1/8″ Aluminum End Tanks for Strength and Durability Brushed Aluminum Finish Includes 16psi Radiator Cap Includes a Heavy-Duty Brass Drain Valve Uses Factory Mounting Locations for Easy Install Oversized Tube and Fin Core: This BladeRunner Street Series Radiator features a 2-1/4″ thick tube and fin core which provides greater heat dissipation and better coolant flow than the factory radiator for optimum cooling efficiency.