ALLOYWORKS full aluminum radiator is designed to provide maximum cooling efficiency to prevent premature engine failure, engineered to last, perfect fit. Highest grade aluminum is used in our manufacturing process. Perfect upgrade to the factory plastic end tank radiator. ALLOYWORKS owns and operates 3 manufacturing plants and 5 warehouses in the United States. For decades, we have been committed to improving the heat dissipation performance of automobiles and providing customers from all over the world with well-built radiator, fan shroud, and so on. Radiator Specification 3 row full aluminum radiator Core Dimensions: 17" H x 26-1/4" W x 2 1/4" Thick Overall Dimensions: 18-1/4" H x 31-5/8" W x 2-1/2" Tank Thickness Upper Inlet 1-1/2" located on the Driver side Lower Outlet 1-1/2" located on the Passenger side Trans Cooler Included -1/2" 20 STRAIGHT THREAD G1/4 Relay Kit Universal fit for any automotive vehicle and electric fan. Activates by grounding electric fans at preset temperature. 180'F turn-on temperature, 165'F turn-off temperature. RED + connect directly to battery. WHITE wire to ignition switch power source. BLACK goes to thermos switch. BLUE wire goes to the Fans. Replacement For For Chevy El Camino 78-1987/ Impala 1980-1985For Chevy Blazer 1973-1985/Suburban 1976-1980For Chevy Nova 1975-1979 / Chevy El Camino 1970-1987For Chevy/GMC C/K/G-Series C10-C20 C25-C3500 1970-1985For Chevy Monte Carlo 1983-1987/ Oldsmobile Cutlass 1978-1988 Shroud & Fans Maximum Fan CFM: 1730 cfmFan Diameter (in): 12.050”Thickness (in): 2.500”Number of Blades: 10 bladesMaximum Fan RPM: 2,250 rpmaBlade Material: PlasticAmp Draw: 12.70 amps Manufacturing Process Cooling system parts undergo performance, endurance and leaktest. Carefully crafted to exceptional OE standards for precise fit, aircraft 6061 grade aluminum and with raw aluminum finish. Direct Fit for Easy Installation Please carefully check the previous radiator before installation. Make sure that all hoses and lines are intact.And disconnect hoses and lines, then remove the old radiator.Place new radiator in the car and reconnect lines and fittings.Perform a complete flush of the cooling system to remove traces of old coolant, fill the cooling system.Direct bolt-on OE fitment or replacement. Professional installer is highly recommended! Alumium Tubes & Fins That superior fin waves and thin-tube construction design that, dramatically increases surface area that enables the heat to dissipate more efficiently. Much Higher Capacity for Coolant Most importantly, it has a much higher capacity for coolant than stock ones, which means that your cooling system will be more efficient. Perfect Package Our radiators feature state-of-the-art packaging designed to make sure when the product arrives at the consumers end that it's ready to go without worries.