I can confirm that Air and Ground have a lot of JetRanger bits, lots of which is new!
In case they can't help, there's a -029 unit (which you should have no problem using) as follows:
206 BIII -029 Main Rotor Transmission:
04/25/2007 - For Sale - 206 BIII -029 Main Rotor Transmission TSO-0- With 8130.3 $ 34,500.00
Contact: Michael Boardman Phone: 813-655-6300