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I took a 406301 exhaust manifold off my 70 442 with 455. I know its wrong for my car but would like to know what it may have been on origionally.
Any help would be great!
Thanks
Gary
ps it willbe for sale when I figure it out.
406301 X manifold should be 1971-72 full size. These are not internally divided and thus do not flow as well as the 402295 W manifolds. Do not confuse this with the 412287 X manifold that IS internally divided.