Speedmaster 1-147-093 Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Black]

The Speedmaster 1-147-093 HiRise Aluminum Intake Manifold is engineered for Pontiac V8 engines including the 326, 350, 389, 400, 421, 428, and 455 cubic-inch displacements. The high-rise design promotes improved airflow and plenum volume over stock cast-iron manifolds, while the lightweight aluminum construction helps reduce overall engine weight for better performance.

Finished in a bold black coating, this intake manifold delivers an aggressive underhood appearance to complement your build. Designed as a performance upgrade for Pontiac V8-powered vehicles, it is a straightforward replacement that supports carburetor-fed induction setups compatible with the listed engine families. Always verify fitment with your specific application before installation.