6-71 blower / supercharger complete or core rebuild

I have chatted back and forth with this guy before when I was thinking of putting a blower on my early Hemi. Seem like a real straight up dude and his prices are reasonable.

http://www.ebay.com/itm/6-71-671-BL...T-6-/381360251969?hash=item58cad7a441&vxp=mtr