"98 -"02  LS1 F-Body, 18" O2 Extension*Part#: 135-O2EXT-4S-18This is a plug-and-play extension and does not require any cutting or splicing. However, some manufacturers' long tube headers need these 18" extensions to give the factory 02 sensor...

O2 Oxygen Sensor Weld-On Steel Bung & Plug - M18 x 1.5 Thread

Bosch Premium OE Fitment Oxygen Sensor 98-02 Camaro/Firebird LS1 Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production, since first inventing the Oxygen Sensor in the late 1960's,...

O2 Sensor,  AC Delco, Factory 98-2002 Camaro/Firebird LS1 5.7L V8, Pre Catalytic Converter.  Select Driver or Passenger.

O2 Sensor Extension 24", flat or square connector type, these are needed with most long tube headers on 93-2002 F-Bodies & GTO installation Note: Picture shown is of the square connector. Flat connector 93-97 LT1 Camaro/Firebird Square connector...

O2 Sensor Extension 12", flat or square connector type, these are needed with most long tube headers on 93-2002 Camaro/Firebird or 04-06 GTO installation, Note: Picture shown is of the square connector. Flat connector 93-97 LT1 Camaro/Firebird Square...

O2 Sensor Extension 36", flat or square connector type, these are needed with most long tube headers on 93-2002 Camaro/Firebird or 2004-06 GTO installation, shipping is not included. Note: Picture shown is of the square connector. Flat connector 93-97...