BB Chevy Hurricane Intake Manifold - Polished- For Big Block Chevy w/ Rectangular Ports

Professional Products Part # 53030

RPM Range 3000 to 7500

Description: 

These manifolds for Big Block Chevys are a worthy companion to our phenomenally successful single plane small block racing manifold. Designed for serious performance big block applications, this manifold is a proven design that produces outstanding torque and horsepower when used in the right comibnation. Best on engine displacements in the 396-454 range producing 600-700 horsepower. These manifolds feature nitrous bosses, dual distributor holddowns, four corner water ports, and are available for both rectangular or oval port cylinder heads. Rectangular port size at the gasket flange is 1.69-inches wide by 2.31-inches tall, which can be opened up to match the gasket and/or larger port cylinder heads. Runner size is effective for 468 to 540 cid engines. This manifold is available in a satin or show polished finish. Note: Use Professional Products intake gasket # 53601 or Fel-Pro intake gaskets #1211 (Printoseal) or #1275 (non-Printoseal). Both of these gaskets are the standard 1/16-inch thickness. Fel-Pro also offers a 1/8-inch thick non-Printoseal gasket set #1239 which could be required in some instances where the cylinder heads have been machined. Use an 800 cfm or larger 4150 square bore carburetor.