Bbc Stealth (Rect-Port)

The Bbc Stealth (Rect-Port) by WEIAND is a premium intake manifold designed specifically for big-block Chevrolet engines that prioritize maximum air-flow efficiency while maintaining low-end torque. This rectangular-port design is favored by engine builders and performance enthusiasts who seek both street usability and proven power gains. Whether you're constructing a naturally aspirated stroker or preparing a carbureted engine for weekend performance, the Stealth manifold provides essential tuning capabilities.

WEIAND's rectangular-port design enhances plenum velocity and port alignment to align with modern big-block cylinder head casting profiles, leading to improved volumetric efficiency across the RPM range. The manifold features streamlined internal passages that reduce turbulence, while the dual-plane runner geometry ensures even fuel distribution and combustion consistency, which is crucial for carbureted setups. Constructed from cast aluminum, the Stealth manifold is built to withstand the rigors of both street and strip applications without the risk of cracking under sustained boost or detonation.

Ideal for BBC engine swaps, restorations, and high-performance builds, the Bbc Stealth (Rect-Port) intake manifold is a critical component that can significantly influence final horsepower and drivability. Its design caters specifically to those who demand high performance from their engines, ensuring that every aspect of the build contributes to achieving championship-caliber results.