This picture leaves out the packing ring 22028-9. However, it does show the bushing fitting over the piston as it must do. The cylinder tube itself is not named. I am going to get measurements to see if there is a domestic equivelant that could be used instead of this Italian one.
Bolt #22 are $150.00 each. [4] are needed. Of course it is drilled so that grease can be injected into the joint.