Holley Split-Design Single Plane Intake Manifold – GM LS1/LS2/LS6
When you trying to extract every ounce of performance from your carbureted LS combination, our new race bred Split-Design Single Plane intake manifolds make it possible. Typically found only on the most expensive race intakes, Holley’s Single Plane Split-Design intake manifold allows you to directly access to the internal plenum and port surfaces! Custom porting