Easy 1-2-3 Series Radiators Systems are just what they sound like! Proform will build the whole system with shroud and fans so it s ready to go right out of the box! This is the best and easiest way to get a high-quality cooling system that doesn t have the DIY look, but rather a sleek show car look. Just thread the thermostat probe into the tank, wire up the adjustable controller, and you ll be driving down the street nice and cool in no time at all. This systems includes a LS Conversion single pass all-aluminum radiator, low profile fan shroud, two 12 volt electric fans, and an adjustable thermostat controller.