We carry a complete line of radiators for most size engines. For heavy duty applications we offer both 3 and 4 core radiators. All radiators come with a one year warranty against defects in workmanship. 17 3/8 x 23 1/4 x 2 right inlet, left outlet, dessert cooler core equivalent to 4 row. This is a high efficiency 3 core radiator. High efficiency has 3/8" Tube spacing on center. 15% cooling increase, 25% more tubes, 166 tubes total.