yes, I had one of the manifolds years ago, 290 hp.
I has been said that is the the engine in Christine {demon car} is a 290 hp dual quad poly, watch the movie closley it is a 4 bolt valve cover BB (probably a 350 , i believe first year for BB was 58. there were some b engines that had factory dual quads. The only one I can think of now is the 383 343 hp, with dual carter AFB