FORD THUNDERBIRD Y BLOCK 292 312 INTAKE MANIFOLD ECZ-9425-A FoMoCo 4-Barrel In good overall condition. No cracks or breaks. To the manifold. Feel free to message with any questions or concerns. Thanks for looking. Will be packed with extreme care. Ford Y-Block V8 4-barrel intake manifold with the casting number ECZ-9425-A. This manifold was commonly used on 292 and 312 cubic inch engines in various Ford and Mercury vehicles from the mid-to-late 1950s