Weiand 8125P Engine Intake Manifold

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 All new, optimized design for today's higher output small block engines Port Size: 1.84†height 1.12" width Front Height= 3.50" Rear Height= 4.50"