Im looking into buying that shift kit.. Whats my best option? Here is what i have found so far...

http://shop.zzperformance.com/store/...Shift-Kit.aspx

http://www.ebay.com/itm/4T65E-Transm...a64a8f&vxp=mtr


http://www.3800performance.com/Merch...ct_Code=TEP-SK