i am gettign wheels with centre bore of 73.1, what spacer do i require?

You know spacers are illegal and horribly unsafe yes?

i mean hub centric rings

there 67.1 mm according to the ones i have here

i am gettign wheels with centre bore of 73.1, what spacer do i require?
Just go to a tyre fitter and they'll sort it out for you. Which wheels are these? 73.1 is quite large.

I have just ordered a set for myself from Bob Jane.

67.1mm internal Dia

$10 for 4