Professional Products BB Chevy Cyclone Manifold Satin 53001

BB Chevy V8 Cyclone Intake Manifold. Satin finish; The Power+Plus Cyclone Manifold is a direct replacement manifold for the stock manifold on Chevy big block engines with general duty oval port heads. It is street legal for 396, 402, 427 and 454 V8’s with OEM 4-bbl carb; 1965-’72 (1973 non-CA) passenger cars and 1966-1983 trucks, Suburban’s and heavy vehicles, except stock equipped EGR. Design includes nitrous bosses, dual distributor hold-downs, and four corner water port. This manifold will not fit under the hood of Corvettes without hood modifications.

The Cyclones are Professional Products’ lowest profile small block Chevy manifolds and are also the only ones that are street-legal on pollution-controlled vehicles. Cyclone manifolds are set up to accept a spread bore carb, but come with an adapter plate that permits the use of square bore carbs. To remain street-legal with a square bore carb, you must use one that is also approved as street-legal for your application. These Professional Products Cyclone manifolds are available in a variety of configurations to suit your needs.