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Weiand 8126 Street Warrior Intake Manifold 283-406ci
Weiand 8126 Street Warrior Intake Manifold 283-406ci

Weiand 8126 Street Warrior Intake Manifold 283-406ci

One Carburetor Quantity, Dual: Square and Spread Bore Carburetor Flange Type

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Weiand 8126 Street Warrior Intake Manifold 283-406ci
Weiand 8126 Street Warrior Intake Manifold 283-406ci
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Part # 4258126
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Carburetor Quantity:
Carburetor Flange Type:
Dual: Square and Spread Bore
Material Type:
Bolt Hole Pattern:
4.250" x 5.625" & 5.160" x 5.625"
MFG. Part #:
Sold in Quantity:
GTIN Code:


Don't settle for weak performance. The all new SB Chevy Street Warrior delivers brutal low-end torque and killer horsepower throughout useable RPM range! The battleground has changed in the performance world. Most of the intakes on the market were developed 20+ years ago when typical engines were 283-350 cubic inches. Not so anymore. With the popularity of larger stroker engines and more efficient cylinder head and cam designs came the need for intake manifolds to support these combinations. Designed with Computational Fluid Dynamics software, the Street Warrior intake rises to the challenge and delivers the performance to conquer the competition! Want maximum horsepower and torque from Today's engines? Choose Street Warrior!

  • All new, optimized design for today''''s higher output small block engines
  • Idle to 5,500 RPM band
  • Universal dual pattern carb flange accepts spread bore (Quadrajets) and square bore carbs
  • Runner geometry optimized using Computational Fluid Dynamics software for even fuel & air distribution
  • Sand cast aluminum construction precision CNC machined delivering highest value manifolds on the market & more power for your dollar
  • Low rise dual plane design delivering street friendly power and torque across the useable RPM range

Installation Instructions (PDF)

Some parts are not legal for use in California or other states with similar laws/regulations

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Videos & Articles
  • Speedway Motors Product Manager Jeff K. talks about how to really make your engine bay stand out from the crowd with just a little patience, and some Speedway products.
  • Do you have carbs sitting on the shelf waiting to be put on? Heath talks about the preparation and parts needed to install a set of Super 9-7 Carbs on his 1949 Flathead 8BA V8 Model A.
  • Information of the function of intake manifolds and a little information on how to choose the right one for your rebuild.

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