Edelbrock Part # 2105 Performer 390 intake manifold is designed for street 332-352-360-390-406-410-427-428 c.i.d. Ford V8's with medium- or low-rise cylinder heads. 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. The Performer intake manifolds are ideal for passenger cars, trucks, 4x4s, tow vehicles and RVs. Manifold not equipped with EGR; will not accept stock Motorcraft spread-bore carburetor or fit heavy-duty 361 c.i.d. and 391 c.i.d. Ford truck V8's.