fantasy 360 stroker build
That is one of the reasons I said go with the Magnum heads Pine Tree Mopar. They are the equipped for the roller cam right out of the box. I would make sure that the heads have the good springs in them. Here is a site that will help you understand the Magnum heads better.
www.bigblockranger.com/Magnum.html As far as a cam and lifters go, most any of the big names will do, but I don't think you can go wrong with a Comp Cams.
Also, there is a member at moparts.com by the name of Patrick that knows these things inside out.
Another good source of info is one of our more helpful members here. BJR Racing.
Jack