what do u guys think of this?

No doubt an Indy intake. i have the max wedge port standard 4150 with a 4500 Adapter . i know folks have there complaints about Indy cylinder head but i never had any problems with cutomer service, call them and explain what your wanting to build and they can recommend the cam and related hardware. if you go with a 4.25 stroke your adding a lot of torque leverage so i would be concerned with the gear you choose