I just picked up a cen gst and love this thing so far no problems. The question I have is I got a bunch of new in package parts for it. Three of the packages have central lock set on them. One looks like the 4 spiders for a diff and the other two look sort of like rectangular blocks with two small pins with "o" rings. Are these for front center and rear? And is there a link someone knows of on how to install them? Thanks for any replies and help.