GM LS Rectangle Port Carburettor Street Single Plane EFI Intake Manifold, Black Finish 4 Barrell 4150 Square Bore Carburettor Pad

Convert your GM LS engine to allow a 4150 style throttlebody to sit on top of your engine for retro-fit applications with this Aeroflow Performance Street low rise cast intake manifold.This single-plane intake manifold is designed to keep your air and fuel distributiongoing into the engine at a steady and even flow for maximum performance and efficiency. The carburettor-mounting pad is designed to accept aftermarket4150 square-bore throttle bodies or adapter plates for turbocharged applications. Specifically designed to suit GM LS Gen III and IV engines equipped with OE or aftermarket LS3 rectangle portcylinder heads.

• Fits GM LS3 Rectangle Port Engines.

• EFI Applications.

• This is designed for GM LS Engines with EFI only. Use AF6040-6000 for NON-EFI applications.

• This intake manifold does not work with factory OEM fuel rails and requires the use of Aeroflow Fuel Rail Kit included (AF6999-6000).

• Requires the use of either 14mm short (33.60mm) fuel injectors or 3/4" length (48.65mm) fuel injectors (SoldSeparately).

• FitsGM LS3 Engines.

• Single Plane Configuration.

• Low Rise Intake Manifold.

• RPM operating range - 2500 to 7000.

• Black Finish.