8122P Weiand Chevrolet, GMC Engine Intake Manifold BBC Spreadbore Big Block

MANIFOLD - BBC SPREAD BORE PEANUT - POLI Weiand Street Warrior Intake - Chevy Big Block V8 Street Warrior™ Intake Manifold 396-427ci engines with Peanut Port Heads Most of the intakes on the market were developed 20+ years ago when typical engines were 396-427 cubic inches. Not so anymore. With the popularity of larger engines, stroker combinations 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! 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 Permanent mold 319 aluminum construction is precision CNC machined providing lighter castings with better surface finishes Low rise dual plane design delivering friendly power and torque across the usable RPM range All new optimized design for today’s higher output big block engines Idle to 5,500 RPM band Peanut Oval Port Dimensions: 1.570" High x 1.600" Wide