Range rover wheels on P5

[pmd400]

The link shows an old ad for a rover P5B. As you can see it looks to have Range rover wheels. I understand the range rover wheels have a 5x6.5 stud pattern while the P5 is 5x5. I quite like the look. So how is this possible?

bringatrailer.com/2014/12/18/tvr-powered-rally-build-1970-rover-p5b-v8-coupe/