For you Olds guys, this is a OL4B 4 bbl intake. This is the Olds version of the B4B. Edelbrock also made P4B's for Pontiacs. Its an older manifold for the small block Olds 350. Apparently it also fits the olds 330 and the 403. Again, you Olds guys would know what the applications are $200 shipped.