Intake manifold by TurboWorks. The manifold is ideally suited to the car model and engine. The set includes a fuel rail and all parts needed for installation. Made of the best quality 6061T aluminum. The intake manifold by TurboWorks. The manifold is perfectly matched to the car model and engine. throttle, fuel rail and all parts needed for installation Made of the best quality 6061T aluminum Throttle diameter: 90mm