see this link :
http://bbs.scoobynet.com/general-techni ... where.html
Funny enough I posted on here too... Mike Woods actually works at Prodrive and is involved/was invlolved in such upgrades.
another :
http://bbs.scoobynet.com/wheels-tyres-b ... -nuts.html
it sounds like you just need to either call speedline or try a 'regular' non subaru set of nuts.
when I had a gold set of ST-2's these did not have the insert and hence came with a new set of nuts to suite.
