The Speedmaster PCE154.1012 Supercharger Crank Hub Extension is designed specifically for Ford big-block and FE series engines, including the 390, 428, 429, and 460 cubic inch applications. This extension allows proper positioning of a supercharger drive setup by extending the crank hub outward to accommodate the necessary pulley and belt alignment for forced induction configurations.
Engineered as a direct-fit component for these classic Ford engine families, this crank hub extension helps simplify supercharger installation by providing the correct snout length needed for your front-drive system. Whether you are building a street performance or dedicated strip engine, the Speedmaster PCE154.1012 delivers a purpose-built solution for your Ford supercharger project.