It is the king of all rat engines and is capable of pulling your bracket racer or heads-up challenger down the 1320 in the 9-second range.
The ZZ572/720R’s true value lies in its ready-to-run status when delivered. Built with the best stuff we can find, it includes an all-forged rotating assembly, aluminum cylinder heads with 113-cc intake ports, and 2.25/1.88-inch valves.
Find everything from vital data about your engine’s capabilities to how to install it into your build.
Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet erformance Parts may not meet Federal Motor Vehicle Safety Standards and emissions regulations and should not be operated on public roads. Chevrolet Performance customers are responsible for ensuring their use of Chevrolet Performance complies with applicable federal, state, and local laws, regulations, and ordinances. Many parts intended for racing or other “off-highway” use are not designed or tested for crashworthiness or to meet the safety needs of the motoring public, and may adversely affect the original intended performance or handling characteristics of the vehicle. These parts are designed and intended to be used with experts supervising their installation and use, to help assure the proper and safe operation of the vehicle.