zxr h2 fork question

[newnut]

Hi there guys, just after a bit of simple info at the mo, Just purchased some zxr400 h2 usd forks with yokes for my street fighter project, i need to know what diamater they are, also will a wheel of a 600 fit and what brake calipers are interchangeable between models. any info would be much appreciated guys. happy riding and thanks in advance!