Need help finding (-1,+1) kit

Can anybody help me out finding a -1 +1 kit for my 03 600rr? Any help would be greatly appreciated.

Check this site out and order from them, I have had nothing but good experiences with them:
http://www.motomummy.com/store/pages.php?pageid=2
This is your info page link. 
 
Order here:
http://www.motomummy.com/store/home.php?cat=270

http://www.sprocketcenter.com/ stick with hardened alloy or steal sprockets. Personally, I''d go with a D.I.D. xring ERV chain.