Many shops that work on vintage bikes are K&L Supply dealers... They distribute Kibblewhite White Diamond Hard Chrome valves for most Z/KZ/ZX applications as well as guides and high performance springs. We are a K&L dealer (But DO NOT sell parts retail) as well as z1enterprises.com and probably many local shops. I am a K&L dealer because we use their parts in carb rebuilds and their shop tools as well. K&L doesn't sell direct to the public so contact a dealer. You will probably always have to ask about valves for you application as most shops won't have tons of them in stock...
wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!
