If the case is cracked its a trans out job,you may get the Focus MTX75 shifter tower cheaper from Bill Jenkins,you also so need the Focus cable ends,the revised reverse light swith,rev light swich 'jumpe' cable,plastic shifter cover & breather tube,shorter bolts to attach to main trans case.If you do have a hole in the case you may want to consider shipping the trans to us,we repair 'air-conditioned' trans cases on a regular basis...not much more I can add...sorry for your plight..TH