GM LS Cathedral Port Carburettor Street Single Plane EFI Intake Manifo Product Option:GM LS Cathedral Port Carburettor Street Single Plane EFI Intake Manifold, Natural Cast Finish These 15° LS3 Rectangle Port

These 15° LS3 Rectangle Port heads are designed to fit LS series engines with a 4

8L V6 CARB VIN 3

The Power Port is Turbosmart's largest and highest flowing blow-off valve ever

5" 0-30"Hg Used to determine vacuum in your engine

GM LS Cathedral Port Carburettor Street Single Plane EFI Intake Manifo Product Option:GM LS Cathedral Port Carburettor Street Single Plane EFI Intake Manifold, Natural Cast Finish These 15° LS3 Rectangle PortConvert 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