Cobras are not able to qualify for street rod registration in Queensland.
A street rod by Queensland Transport definition:
Street Rods are motor vehicles with bodies and frames were manufactured before 1949 and that have been modified, or replicas thereof which have also been modified. These modified vehicles must comply with all the specifications contained in the Australian Street Rod Federation’s Queensland Street Rod Guidelines.
see here:
http://www.transport.qld.gov.au/reso...icle_guide.pdf