Collection: Cyclone Manifolds for BB Chevy

This manifold is a stock replacement/street legal part for 396, 402, 427, and 454 V8's with OEM 4-bbl carb;1965-'72 (1973 non-CA) passenger cars and 1966-'83 trucks, Suburbans and heavy vehicles, except stock equipped EGR. This manifold design includes nitrous bosses, dual distributor holddowns, and four corner water ports. This manifold also includes a special carb adapter to allow the use of after-market square bore carburetors. To remain street legal you must use original style carb. It's an excellent street performance manifold. It will not fit under the hood of Corvettes without hood modifications.