Synchro909,
Have you tried to buy the bearing inserts from Precision Int’l Pty Ltd W.A. Osborne Park 1300 364 350 in Australia?
They are the distributor for King bearings in Australia, and the basic part number is CR 624, and sets have a basic part number starting with CR 803.
Check out this catalog page:
http://www.king-catalog.com/Catalog/Engine/20050956