* 4,1->5,1 firmware update program. You can download from github. Just google "github MacProFirmwareToolUpdate".
* 90% alcohol chem pad and thermal paste. You can buy from most electronics stores.
Expedited shipping, ship from USA.
Install guide: https://youtu.be/Et29f4uTLPs
You can see how our mirror finish looks like in above video.
Mac Pro 2009 4,1 (to 5,1) Delidded CPU Install Guide (x5680 x5690 12-core CPU Upgrade)
Video will open in a new window
Note that for testing we used pencil eraser and then used 90% alcohol to clean the pin contacts before install. Just in case it cannot boot for you, the first thing I’d try is to clean them again. Any questions about installing it are very welcome.