Well, Wiseco has worked with BonnevillePerfomance on this but I think you can only buy the parts from BP at the moment. The 1200 is a stroker version, both need billet cylinders and machined crankcases. BP also sells my billet cylinders.
You can order a kit right now. More info here
http://forums.delphiforums.com/aceca...ges?msg=1546.1