O2 Sensor Threads

[MPoore10 at aol.com]

In a message dated 98-07-18 10:17:54 EDT, you write:

<< Hi Gang
 
 Hate to ask but can someone confirm the
 O2 sensor thread as 18mm by 1.5. 
 
 tia:peter
 
  >>

I can confirm they are 18mm x ? in an '85 Corvette. 

Mike