Factory o2 sensor for all 1989 and up 2.2 and 2.5 Turbo Dodge/Chrysler engines.   
 
This includes:
 
2.5 Turbo I
2.2 Turbo II
2.2 Turbo III
2.2 Turbo IV
 
NTK is the OE supplier Mopar used and all of their engine calibrations are based off this sensor.
 
Made in Japan.  
 
Whatever you do, do NOT run anything other than the factory NTK sensor in your Shelby/Dodge or Maserati TC.
 
Price is for 1 sensor.