Magnum Radiators ensure modified motors maintain peak horsepower by increasing the efficiency of the cooling system. Radiator cores are thicker then stock, providing increased surface area and cooling. Water passages are 33% wider then stock for improved fluid flow , 40% increase in cooling surface area results in 10-35% better cooling. Rugged construction features aircraft quality aluminum for strength and durability. TIG welded tanks, furnace braced aluminum cores. Billet filler necks assure leak-proof sealing. Beaded inlet/outlet hose connections for positive sealing. Direct fit design – no installation modifications required