You would like to know what kind of crank shaft pulley your car has it completely came off and you are confused as to how it goes back on It is a 1995 3000 GT?
generally if a crankshaft pulley comes off, it is either thru
the rubber bushings in it wearing out and tearing or the bolts came
out or sheared off the new pulley wheel will only go back on one
way usually with a key to locate proper placement on crankshaft to
enable correct ignition timing FYI the crankshaft pulley is called
the HARMONIC BALANCE any auto dealer for your make of car can
supply proper parts needed