Wanting a big brake kit for the J VXR and I can’t see any K-Sport kits but I have come across a PB big brake kit. Does anyone have any experience with them at all please?

http://pbbrakes.com/opel-astra-j-gtc...brake-kit.html

I am looking at the 8 Pot 405x36mm kit. Any advise would be great, thanks in advance.