Speedmaster PCE149.1043 6-71 8-71 Supercharger CNC Intake Manifold for GM LS

GM LS1 LS2 LS6 6-71 8-71 Supercharger CNC Machined Aluminum Intake Manifold This Speedmaster aluminum CNC machined blower manifold for LS1 is now affordable to everyone. Speedmaster has designed this intake to hold a 671 and 871 blower to an LS1 application. This manifold is a true performance component that will improve throttle response and performance throughout the entire powerband and stand up to the high crankcase pressures produced by forced induction. This is a brand new weapon to our arsenal! Features: Mounting flanges with O-Ring grooves for the perfect seal. Flat design for lower overall finish. O rings included. CNC machined Improve throttle response and performance throughout the entire powerband