Edelbrock part #3711 Performer Oldsmobile 350 EGR intake manifold is designed for street 307-330-350-403 c.i.d. Oldsmobile V8's, 1964-85. Will fit 1980-1/2 to 1985 307 c.i.d. V8's with 5A heads (casting #3317). This intake manifold comes with a universal pad to fit most carburetors with electric chokes.