833 hold up to 500hp RB

I've heard that of the two styles of synchro's, one of them is superior. Fresh synchros are always a good idea on a race build, Also, the steel shifter forks are much less likely to deflect and bend during hard use. Matching the transmisssion and crank centerlines and ensuring the bellhousing keeps them in near perfect linear alignment is, as opposed to at very slight angles to each other is crucial.