Air and Fuel Intake Manifolds and Components

Weiand

Street Warrior Dual Plane Intake Manifold

$295.56

SKU: 9424W-289SW

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In Stock
Ships by Aug 3
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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Weiand Street Warrior intake manifold is designed for Ford 289 and 302 engines, offering a low-rise dual plane configuration for enhanced street performance and maximum torque. Engineered using Computational Fluid Dynamics (CFD), this manifold aims to generate increased horsepower and torque. Its aluminum construction is polished to a high shine, and it includes a square bore carburetor mounting flange. The inclusion of an exhaust crossover promotes better street drivability. Key specifications include a port size of 1.82 inches in height and 1.02 inches in width, with overall manifold heights of 3.82 inches at the front and 4.75 inches at the rear. The optimal power band for this manifold is from idle up to 5500 RPM, making it suitable for a wide range of street applications. This intake manifold is specifically intended for use on pre-pollution controlled vehicles, defined as 1965 and older U.S. manufactured California certified vehicles or 1967 and older U.S. manufactured federally certified vehicles. Please note that mounting hardware and gaskets are not included and must be purchased separately.

MIA's Description

The Weiand Street Warrior intake manifold is a low-rise dual plane design for Ford 289 and 302 engines. It is engineered with Computational Fluid Dynamics (CFD) to maximize horsepower and torque for street performance applications. The manifold features a polished aluminum construction, a square bore carburetor mounting flange, and an exhaust crossover for improved drivability.

Fitment

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Specifications

BrandWeiand
Part Number9424W-289SW
CategoryAir and Fuel

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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