Weiand Intake Manifold 8121; Street Warrior Dual Plane for Chevy 5.0/5.7L Vortec

Intake Manifold Model or Series: Street Warrior
Year: 1996-Up
Make: Chevy
Engine: 5.0L, 5.7L Vortec
Deck Height: Standard Deck
Port Style: Rectangular Port
Intake Style: Dual Plane
Carburetor or Throttle Body Flange: 4150 Square Bore
RPM Range: Idle - 5,500
EGR or Non-EGR: Non-EGR
Material: Cast Aluminum
Finish: Satin
Includes Gaskets: No
Front Height: 3.375"
Fuel System Type: Carbureted
Requires Aftermarket Fuel Rails: No
Includes Fuel Rails: No
Rear Height: 4.500"
Quantity: Sold As Each

  • Permanent Mold Casting
  • Precision CNC Machining
  • Idle-5500 RPM Power Band
  • Height Front 3.375 in.
  • Rear 4.50 in.
  • Port Size 2.00 in. Height x 1.06 in. Width

The Weiand Street Warrior is designed for use on stock or stroker combinations that feature efficient cylinder heads. The latest advances in cam design necessitated the design of a new intake manifold, and the Weiand Street Warrior manifolds fill that void. They are designed with computational fluid dynamics (CFD) software for optimized and consistent flow on every single manifold. ** Designed to use stock GM gasket P/N 89017465 or MS90131 or 1255 Fel pro gasket.

PerformanceParts is an authorized reseller of Weiand

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  • Warranty

    Most parts come with a limited manufacturer's warranty on the part ONLY. This warranty DOES NOT include labor cost for installation and removal or shipping. PERFORMANCE PARTS HAS NO WARRANTY, EXPRESSED OR IMPLIED, BEYOND THE WARRANTY OF THE MANUFACTURER. If additional warranty information is required, please call us prior to installation. For all warranty returns, request a return authorization (as detailed above), including a detailed description of the warranty issue and a contact phone number.

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