You should be able to get a replacement repair kit (can of "Fix-A-Flat", valve stem remove and a replacement valve stem) at your local Chevrolet dealer. The part number is #9593932.
Article ID: 307
Created: July 15, 2014
Last Updated: July 15, 2014
Online URL: https://www.corvetteactioncenter.com/tech/knowledgebase/article/2001-2004-corvette-z06-locating-replacement-fix-a-flat-for-z06-tires-307.html