The Speedmaster 1-148-052-03 HiRise EFI Intake Manifold is engineered specifically for Chrysler and Mopar Big Block engines displacing 413, 426, and 440 cubic inches. Finished in a bold black coating, this high-rise design promotes improved airflow and plenum volume to help unlock the performance potential of your big block build while maintaining EFI compatibility for modern fuel injection setups.
Designed as a direct-fit solution for Mopar BB 413, 426, and 440 applications, this intake manifold delivers a clean, purposeful upgrade for street machines, muscle cars, and performance builds that demand reliable EFI integration. Whether you are upgrading an existing setup or building from the ground up, this Speedmaster manifold combines classic high-rise styling with fuel injection-ready engineering.
