I saw a demonstration of this stuff on Horsepower TV today and looked up the website. It looks like it is far superior to motor oil for lubricating the threads on a fastener to ensure accurate torque readings.
If you are going to have your engine apart for any reason, I would get some of this.
ARP-bolts.com | ARP Ultra-Torque Fastener Assembly Lubricant
Here is a video interview on Youtube: