Speedmaster Open Intake Manifolds will allow you to fit various applications (Twin Carburator, Twin Throttle Body, or 671 / 871 Supercharger) by using one of the Speedmaster adapters (sold separately). These manifolds will improve performance from the 1,500-6,500 RPM range with a low-profile design and high-flow runners.

Note:

• Includes provision for a blow-off valve
• The carburetor adapter plate is sold separately