Aeroflow Intake Manifold Cathedral Port Street Single Plane EFI with Fuel Rail Kit for GM Holden LS1 LS2 Black Finish

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.
 

Specifications:

• Cathedral Port Carburettor Street Single Plane EFI Intake Manifold
• Part Number: AF6250-5000
• Square bore carburettor pad (4150 Flange)
• Single Plane Configuration
• Low Rise Intake Manifold
• RPM operating range - 2500 to 7000
• Black Finish
• 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
• 12 Month Warranty
   

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
   

Important Notes:

• 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)
   

Fitment Notes:

• Suitable for GM Holden LS1 LS2 Cathedral Port Engines
• Suitable for EFI Applications