I don't have a clue at what the differences are between the 808 and 809...sorry.

Hey how r u chads this is Danny swiftneed I have a question i JUST PURCHASED THE RCM XT8 BUT I NEED THE FRONT AND REAR END AND I PARTS STARTING FROM SCRATCH WAT IS THE DIFFERENCE FROM THE X808 AND THE NEW ONE X809 iT HAS A WIDER STANCE DOES IT MAKE A BIG DIFFERENCE ANY SUGGESTIONS ON PARTS???