Convert your GM LS engine from EFI to Non-EFI carburettor in retrofit applications with this Aeroflow Performance hi rise (Super Victor Style) cast intake manifold. This single-plane intake manifold is designed to keep your air and fuel distribution going into the engine at a steady and even flow for maximum performance and efficiency. The carburettor-mounting pad is designed to accept aftermarket 4150 square-bore carburettors with either manual or electric choke options available on today's market. Specifically designed to suit GM LS Gen III and IV engines equipped with OE or aftermarket LS3 rectangle port cylinder heads. This product is intended for carburetted, throttle body EFI, or port EFI applications.

This manifold is a Hi-Rise race style manifold designed for high rpm and large cubic inch engines.

• Fits GM LS3 Rectangle Port Engines.

• Non-EFI Applications.

• Fits GM LS1/LS2 Engines.

• Single Plane Configuration.

• RPM operating range - 3500 to 8000.

• Natural Cast Finish.

•- Intake manifold Flat style gasket (must use Fel Pro 1222-2 or 1222-3).