1991 Jeep Cherokee Engine Removal

I am removing the engine in a 1991 Jeep Cherokee and having trouble removing the top two bolts on the bell housing. Are they Torx? What size? Any ideas to get them out?

I took the engine out of my 86 Comanche, by taking out the motor mounts and radiator, then was able to lower the engine a bit. This gave me room to get a wrench onto the bolts from above - working at the back of the engine compartment. Thats how I tightened the bolts up too.