Remove one of the other ones and match it up at your local hardware store, or see your local Ford dealer parts department.
Thanks, I asked my wife to find out what size bolt was needed. I didn"t realize that she ws going to post and wast your time. Incidentally, my starter now spins continously after my clutch swap. I'm thinking a shorted solenoid, what do you think?
That or they forgot to put the flywheel back in, lol.