The WEIAND 7546 Aluminum 4 Barrel Intake-Manifold is a high-performance part specifically designed for SBC 305, 327, 350, 383, and 400ci engines. Made in the United States by Weiand, this intake manifold is a front placement part that enhances the induction system's efficiency. With its durable aluminum construction and four-barrel design, this manifold is a popular choice for auto enthusiasts looking to improve their engine's performance and racing capabilities.