http://videos.streetfire.net/video/e2b71bdc-80e6-4d03-81c9-987100245b61.htm
Interesting video from sema 2006
Apparently crane got bought out by this company called mikronite. Theyve developed a seudo-shotpeen process that allows for stronger gearsets.
Better than duming 1-3k on a whle new rear if ya ask me.