heres some NGK iridiums in 7 Heat range:
http://www.gccorp.com.au/automotive/...roducts_id=172

for anyone needing lower gaps and lower temps for HIGH BOOST.. try the iriways, can get em in 7,8,9 heat range:
http://www.gccorp.com.au/automotive/...roducts_id=175
^^^can't get those anywhere else in Australia