Edelbrock Performer AMC Intake Manifold for 1970 and Later 304-401 c.i.d. AMC V8 Engines is Designed for use with 4150-Style Square-Bore Carburetors. (Will not accept stock Motorcraft Carburetor). Non-EGR Edelbrock 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…