FEATURES & BENEFITS: Swivel water neck rotates 360 degrees, allows various radiator hose routing options for custom engine cooling applications Made from die-cast aluminum for strength and durability Thick mounting ange prevents warping and provides a positive engine coolant seal Chrome-plated nish for lasting beauty Includes stainless steel mounting hardware Radiator hose inlet size is 1.500” Great for engine conversion applications Note: this does not work with the later model water pumps with the larger thermostat housing.