Speedmaster 1-147-099 Oldsmobile 400 425 455 Low-Rise Aluminum Intake Manifold [Black]

The Speedmaster 1-147-099 is a low-rise aluminum intake manifold finished in black, designed specifically for Oldsmobile 400, 425, and 455 cubic-inch V8 engines. The aluminum construction helps reduce overall engine weight compared to cast-iron factory manifolds, while the low-rise profile is suited for applications where hood clearance is a consideration.

Engineered as a performance upgrade for classic Oldsmobile builds, this intake manifold offers a direct-fit solution for the specified big-block engine family. Whether you're restoring or building a performance street or strip application around an Olds 400, 425, or 455, the Speedmaster 1-147-099 delivers a clean, functional foundation for your carburetor setup.