EBay link to civilian LHD starter linkage for Chev 6 cylinder. This would be an easy modification to the CMP pattern RHD if you need one, and the starting price looks reasonable. I know nothing about the seller or item beyond what is stated in the listing.
http://cgi.ebay.com/ebaymotors/1958-...QQcmdZViewItem
or simply search on item 190144608448