Weiand 8121 Street Warrior Intake Manifold – SBC Vortec 305 350


  • Permanent Mold Casting
  • Precision CNC machining
  • Power band: Idle to 5500 RPM
  • Height: Front 3.375″ Rear 4.50″
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SKU: WEI8121 Category:

This 180° dual plane intake manifold is designed to provide the best performance for stock to street-performance engine applications to a maximum engine speed of 5500 RPM. The carburetor-mounting pad is designed to accept all stock or aftermarket square-bore carburetors with manual or electric chokes. STREET WARRIOR series intake manifolds are designed to accept most stock hardware, such as coolant and vacuum lines, coils, HEI distributors, and brackets. Few alterations, if any, should be required.

Weight 14.45 lbs
Dimensions 25 × 7.2 × 12.1 in




Off-Road Racing Use Only

Manufacturer Part Number


Manifold – Sbc Vortec Street Warrior

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to