Small but highly recommended mod. The firewall braces will get loose every couple of months and you'll start to hear loud clunking noises when going over bumps.
Torque: 41Nm
Nord-Lock Part Number: 91812A231
Make sure you use a high quality anti-seize. I used Loctite N-7000 because it's the highest purity graphite anti-seize you can get (it's overkill really). Nord-Lock sells their own product
GTP-600 but I couldn't source it.