Can anyone tell me if they are hubcentric, or being only 5 mm they do not need to be? If they aren't, can you add hub centric rings?

 

I dont think the Kics have hub or wheel centric rings, I just sent back a set of 20mm that were not wide enough and they were not any kind of centric. If your wheel has a bore of greater than 67.1mm you need a centric ring. If the bore of the new wheel is the same as stock you still may need a centric ring as the stock hub centric ring is not likely 5mm deep (not sure what it is). Assuming the Kics are for sure not hub or wheel centric (pretty sure they are not), you can get a set of rings made based on the differing hubs which I would highly recommend. I just ordered wheel centric spacers and wheel centric adapters from these guys --> motorsport-tech.com

 

not sure if 5mm spacers are worth getting. it won't make much of a difference.

 

^^ of course they are worth getting if you need to clear the calipers and all you need is a few mm