This is the description:
FOX SUSPENSION FLOAT CTD REAR SHOCK 7.875 x 2.25" Kashima 2014 model
bought from Chain Reaction:
It is:
CTD: Climb, Trail, Descend the new thing for 2014
FS: Factory Series (as compared to PS: Production Series)
BV: Boost Valve (as compared to Dish)
Kashima Coated (as compared to anodised)
pressure between 150 - 300 psi

Here is the FOX Parts info and drawings