Never used intake manifold. Designed for street 332-352-360-390-406-410-427-428ci Ford V8s with medium- or low-rise cylinder heads. This intake manifold is for 332, 352, 360, 390, 406, 410, 427 and 428 V8s with OEM 4V carb.; 1966-72 (1973 non-CA); except stock equipped EGR. Manifold not equipped with EGR; will not accept stock Motorcraft spread-bore carburetor or fit heavy-duty 361ci and 391ci ...