heated O2 sensor number for 350 TBI truck?

[KasaRyan at aol.com]

Thanks bruce - what is the address for the buick list Iv'e been searching 
the3 archives but no luck on a number - just people that say to ge t the GM 
buick conversion kit - Problem is my GM parts man doesn't even know what a 
heated O2 sensor is!
Arrgh!
Thanks for the help - Ryan - PS if I get the number I will make sure and post 
it to this list