Welcome to the new and improved Proflex / K2 Tech Forum!
from my records.... upper/lower rear shock 150 inch #'s
grease the lower strut
you are supposed to blue loctite 'em but i never did. check about once a month
use blue locktite, if you use it at all. red is for permanent attachments like brake bosses and such and you wil have a dickens of a time removing the bolts for periodic maintenance if you use red.