• 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.
• 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: 1.15" x 2.50"
• Intake manifold gasket O-Ring.
• -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 hexport 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 (12mmUHL)
• 4 x M6 nuts
• 8 x 14mm Fuel InjectorO-Rings