Arthur, check with Tura, She has been selling Chambers parts on Ebay.
I put the Valve Grease in the mail yesterday.

Regards, Sam

And check out the Chambers literature here:
[url="http://stores.ebay.com/The-Uncertain-Stoveman?refid=store"]http://stores.ebay.com/The-Uncertain-Stoveman?refid=store[/url]