Engine runs 20-40 degrees cooler. Whether you performance drive your C6 or cruise it, keep its coolant temp in check with this direct fit, high capacity aluminum radiator. It features a cast aluminum filler neck, extra strong tanks and advanced core technology. Delivering more durable and cooler operation over the stock radiator. This radiator is for all 2006-2013 Z06 Corvette and it does include a built in Engine Oil Cooler and Trans Cooler.