Ideal For Use On Most Stock To Mildly Modified V8sElectric Choke ManagementWicked Power. The all new Street Demon redefines the street carburetor with clean looks and ease of use. The Street Demon offers enthusiasts a straightforward carburetor designed to deliver a stable idle/amazingly crisp throttle response/smooth performance. Its optimized calibration and dual mounting pattern make it Run-Ready for a large variety of engines and vehicles.