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.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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