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On the road they feel much better. Yet to test on track as I had to miss Bedford. I've only upgraded them because with the extra power I need better stopping power aswell.
They will go over Pro Race 1.2s with the right offset. @Ph1 Tom runs them with Pro Race 1.2s. I just like Willys wheels :smile:
If you're running the hub kit (Mark and James) then the spacers can drop to 10mm. I've got the hub kit going on end of April hopefully. Mines on cup wishbones aswell.
You'll need a 172 gearbox. Other ones won't do the job.
Assuming it is a ph1 172, and not a ph2, you need to get a speedo drive box. It is a JC5 089 or a JC5 129 box you need.
If you get a ph2 (with the exception of early phase 2 boxes) box your speedo won't work. So make sure you get the...