Edelbrock part #2711 Performer intake manifold compatible with 1964-1985 Oldsmobile 307-330-350-403 c.i.d. V8 applications. For non-EGR, the #2711 manifold comes with a universal pad to fit most carburetors with electric chokes. Will fit 1980-1/2 to 1985 307 c.i.d. V8's with 5A heads (casting #3317). Edelbrock's Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent throttle response from off-idle through 5500rpm. This Performer intake manifold is ideal for passenger cars, trucks, 4x4s, tow vehicles and RVs.