GM LS CATHEDRAL PORT CARBURETOR STREET SINGLE PLANE EFI INTAKE MANIFOLD, NATURAL FINISH

GM LS Cathedral Port Carburettor Street Single Plane EFI Intake Manifold, Natural Cast Finish
4 Barrell 4150 Square Bore Carburettor Pad

Convert your GM LS engine to allow a 4150 style throttle body 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 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 throttle bodies or adapter plates for turbocharged applications. Specifically designed to suit GM LS Gen III and IV engines equipped with OE or aftermarket LS1/LS2 cathedral port cylinder heads.

• Fits GM LS1/LS2 Cathedral Port Engines.

• EFI Applications.

• This is designed for GM LS Engines with EFI only. Use AF6040-5000 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 (AF6999-5000).

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

• Fits GM LS1/LS2 Engines.

• Single Plane Configuration.

• Low Rise Intake Manifold.

• RPM operating range - 2500 to 7000.

• Natural Cast Finish.

Manifold Specifications

- Square bore carburettor pad (4150 Flange)
- Overall height (Carb pad to bottom of manifold) is 122mm (Ensure to Check Bonnet Clearance)
- Port Size: 0.95" x 2.45"
- Intake manifold gasket O-Ring (AF6233-5002).
- 5/16-18" carburettor studs (x4)
- 3/8" NPT port (x1)
- 6 x 5/16-18" Mounting Holes.

Intake Manifold Includes
- 8 x Intake Manifold O-Ring Gaskets (AF6233-5002)
- 4 x M6 x 1.00mm Hex Screws (80mm UHL)
- 6 x M6 x 1.00mm (50m UHL)
- 10 x M6 Flat Washers
- 1 x 3/8" NPT Steel Port Plug

Fuel Rail Kit includes
- 2 x Two Fuel Rails (-8ORB)
- 1 x -8AN cross over 100 series braided line and two 90 degree non full flow taper fittings
- 3 x -8an to -8ORB fittings
- 1 x -8ORB hex port plug
- 6 x long mounting brackets
- 6 x short mounting brackets
- 6 x 5/16-18" hex screws (18.5mm UHL)
- 6 x 5/16-18" hex screws (12mm UHL)
- 4 x M6 nuts
- 8 x 14mm Fuel Injector O-Rings

• Fits GM LS1/LS2 Cathedral Port Engines.

• EFI Applications.

• This is designed for GM LS Engines with EFI only. Use AF6040-5000 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 (AF6999-5000).

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

AF6050-5000