The Speedmaster 1-147-091 HiRise Aluminum Intake Manifold is engineered for Pontiac V8 engines including the 326, 350, 389, 400, 421, 428, and 455 cubic inch displacements. The lightweight aluminum construction helps reduce overall engine weight while the high-rise design promotes improved airflow and plenum volume for enhanced throttle response and power output.
Finished in a clean satin aluminum appearance, this intake manifold is a strong choice for street performance and racing builds alike. Its broad engine compatibility makes it a versatile upgrade for a wide range of classic Pontiac applications, and the quality construction from Speedmaster ensures a reliable, long-lasting fit for your build.