well i saw that the counter balencer is diff from the 87 to 88 can i use the 87 in the 88 center cases or put the 88 back in it i was just using all of mt 87 stuff in them but when i got my O ring kit it does not fit the 87 only the 88 thanks for your time i am also looking for a complete bottom case kit all of the bearings any help would be great i just see where i can get them one at a time would like the whole kit