Optimized for maximum power from 7,000 to 10,000 RPM, the Edelbrock Victor X manifold is designed for turbo and all-motor applications. Engineered for high performance, this manifold has four additional bosses for nitrous or added fuel injectors. Match with the Edelbrock 65mm throttle body for street or our Victor 70 or 75mm throttle bodies for racing applications. Also available with four extra machined injector bosses and aluminum fuel rail.