440 w/weiand roots style supercharger

Obviously you will need a stout bottom end. A girdle, main studs, aftermarket crank and rods and dished forged pistons. As with any build cylinder heads are important and you should put as much into them as feasable. Blower motors have different needs when it comes to camshafts, try calling compcams (1800-cam-help), they should be able to hook you up. Don't forget the cooling system, either. All of that heat generated will need to be taken care of too.