Chevrolet Intake Manifold -Polished Cyclone, Chevy Big Block (Oval Ports)

The polished power+plus Cyclone manifold is a direct replacement manifold for the stock manifold on Chevy big block engines with general duty oval port heads. See note below for specifics. This manifold will not fit under the hood of Corvettes without hood modifications. Will not fit "tall block" V8s. May be used with OEM or aftermarket carburetors. For street applications use the stock Quadra-Jet carburetor. For street performance use a 650-750 cfm performance or double pumper carb and for competition use a 700-850 cfm double pumper. Note that the Power+Plus Manifold kit includes a carb adapter plate and gasket to allow the use of square bore carburetors. Square bore carbs on this manifold are not legal for use on any emission controlled vehicle. Will fit 1965 through 1990 oval port cylinder heads. Use a Professional Products #53600 gasket or a Fel-Pro #1210 (non-Printoseal) or #1212 (Printoseal) intake gasket with this manifold. RPM range Idle to 6000.

This part fits most 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 Chevrolet Cars and Trucks.; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.