The Edelbrock Throttle Body is superior in quality and performance. The throttle body is made of cast aluminum multi-port injection with a natural finish. The venturi diameter of the throttle body is 65mm. It includes brand new throttle position sensors that are factory-set and ready to go, right out of the box. This high-quality throttle body is bolted to the stock manifold, with mounts for stock sensors and vacuum lines. The throttle position sensor and gaskets are included. The idle air control, hardware and injectors are not included.