Look at the ebay link posted and compare it to CK's page. Looks like somebody used some of the same info. Never heard of the guys.
eBay Motors: 2004R REBUILT-REMAN TRANSMISSION-GRAND NATIONAL SPECIAL (item 180137055303 end time Jul-15-07 19:23:09 PDT)
Compare to CK's here
www.CKPerformance.com
eBay Motors: 2004R REBUILT-REMAN TRANSMISSION-GRAND NATIONAL SPECIAL (item 180137055303 end time Jul-15-07 19:23:09 PDT)
Compare to CK's here
www.CKPerformance.com