ah i think i've found the right things:
tyres:
http://www.modelsinmotion.co.uk/prod...e=360&tamiya=0
wheels:
http://www.modelsinmotion.co.uk/prod...487&tamiya=258
im not sure if the tires come with foams, but i hope they do otherwise its another thing to buy!
also im not sure if the rims are half offset or not, but i guess it wont make too much difference either way