got ripped off on trans rebuild

$140 for a NSS !?? that tells it all right there!

Maybe. Have you tried to get one, lately? Those are different then the ones for the aluminum TF's. The shop might have had to pay $90 for a NOS piece. They are entitled to a profit on parts, and what about the time spent looking for it. We really can't beat the shop up on their charges, as we don't know all the details about the repair. But they were totally wrong about the surprise to the customer, when presenting a invoice for double the amount quoted.