Ford 351w Stealth

The WEIAND Ford 351W Stealth intake manifold is purpose-built for serious engine builders and street performance enthusiasts who demand efficient air delivery without sacrificing underhood aesthetics. This square-bore dual-plane design targets the classic Ford 351 Windsor platform, offering a modern alternative to aging factory manifolds that restrict airflow and limit performance potential.

WEIAND engineered this manifold with a dual-plane runner layout that optimizes fuel distribution and combustion efficiency, reducing hot spots and promoting more complete burn events in each cylinder. The square-bore configuration ensures compatibility with traditional four-barrel carburetors while maintaining structural rigidity essential for high-heat environments. At 21.27 pounds, it's a substantial casting that resists warping and maintains sealing integrity under sustained engine loads.

Ideal for 351W-powered vehicles, the compact footprint (14.35 x 7.15 x 22.7 inches) preserves valuable underhood real estate, allowing fitment in tight engine bay configurations common in classic and modern swap applications. Whether you're building a carbureted hot rod, restomod, or traditional street engine, the Stealth delivers the cylinder-head velocity and runner geometry needed for consistent mid-range power and drivability gains across real-world RPM ranges.