CSP SAVINGS!

CSP2026

Weiand 8121 - Street Warrior™ Intake Manifold

Weiand  |  SKU: WEI-8121
Sale price $29995 Regular price $33795

DISCLAIMER: This Item Is Special Ordered, which may have cancellation or return restrictions. Please see our terms and conditions for more information.


PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Weiand 8121 - Street Warrior™ Intake Manifold

Intake Manifold - Street Warrior - Square Bore - Dual Plane - Aluminum - Natural - Vortec - Small Block Chevy - Each

Street Warrior™ Intake Manifold; Lower; Power Band Idle-5500 RPM; Low Rise; w/Vortec (L31) Heads; 3.375 in. Front H/Rear 4.50 in. Height; Non-EGR; Satin Finish;

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.

  • 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
Barrels: 4
Basic Operating RPM Range: Idle - 5500
Brand: Weiand
Carburetor Flange: Square/4150
Carburetor Quantity: 1
Carburetor Studs Included: No
Category: Engine
CNC Ported: No
Color: Natural
Construction: Cast
Cylinder Head Port Shape: Rectangle
Deck Height: 9.025
EGR Port: No
Emission Code: 3
Engine: Chevrolet Small Block Gen I
Flange Style: 4150 Square Bore
Front Maximum Height: 3.375
Fuel Injectors Included: No
Fuel Rail(s) Included: No
Fuel System Type: Carb
Gasket Or Seal Included: No
Grade Type: Performance
Intake Port Gasket(s) Included: No
Manifold Type: Low Rise
Material: Cast Aluminum
Nitrous Bung(s) Included: No
part type: Engine Intake Manifold
Plenum Finish: Cast
Product Type: Intake Manifold
Rear Maximum Height: 4.5
Removable Runners: No
Removable Top/Lid: No
Single Or Dual Plane Type: Dual Plane
Sub Category: Cylinder Block Components
Throttle Body Bore Diameter: 3.6
Throttle Body Gasket Included: No
Throttle Body Included: No
Vacuum Ports: Yes
Warning: California Proposition 65
Warranty: Manufacturer's Limited 90 Day Warranty

What are people saying about CSP?