You can get a kit for about $70.00. Look at Garrets web site and find a distributor in your area.
Take your time and take pics as you go...It is not that difficult. I have rebuilt many turbos over the years and never had one blow up.
I completely disassembled my new turbo T3/T4OE to paint with high temp paint, no problem and I run a maximum of 23 lbs. of boost