It is not. It is, of course, his sister. Back case cover was pulled from motor while still in plane. Rear starter cannot use Corvair fuel pump - ring gear would hit it. Case back on, with shortened studs.
Rear puck is fitted to balancer.
Starter plate takes place of filter housing and filler tube. Alternator will be where oil cooler was. Balancer still will function correctly. Front of motor is cleaned up. Top cover still needs filler tube and vent line.