Edelbrock 7118 Performer RPM Intake Manifold for Chevy LS1 Cathedral PortPerformer RPM Small Block Chevy LS1 Intake Manifold Edelbrock part #7118 Performer RPM Cathedral Port LS intake manifold with timing control module is an easy solution for those looking to swap a LS engine into their early carbureted vehicle. It allows the use of a carburetor on these originally computer controlled engines, offering maximum power and a broad torque curve from 1500 to 6500 rpm. The 7118 intake manifold kit comes with a wiring harness