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.