FAST LS7 LSXHR Intake Manifold 103mm Flange Raised Rectangular Port

FAST LS7 LSXHR Intake Manifold 103mm Flange Raised Rectangular Port, Polymer construction is lightweight and high-strength to eliminate power-robbing heat soak commonly found in aluminum intake manifolds Average 30 HP gain between 5,000 and 7,500 RPM over competitors' versions & Rated for up to 45psi of continuous pressure. Reversible top allows for forward- or firewall-facing throttle body installations Two nitrous nozzle bosses per runner for clean and easy direct port system installations 103mm Throttle body opening can be ported to 105mm FAST Intake Manifold LSXHR 103 mm Throttle Body Flange Tunnel Ram Rectangle Port Fuel Rails Included Plastic Black LS7 GM LS-Series Kit