Edelbrock Performer AMC-70 ManifoldEdelbrock part #2131 Performer AMC intake manifold is designed for 1970 91 street 304 360 401 c. i. d. V8 engines. Will not accept stock Motorcraft spread bore carburetor. 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