Hi
Just to let you know; We have these on the shelf
https://www.longstonetyres.co.uk/tyr...rato-ca67.html
they are the best tyres for the majority of 6 cylinder Bristol cars. (we also have the 550HR16 Michelin X as well)
There is more fitment detail on here
https://www.longstonetyres.co.uk/cla...s/bristol.html