j-style oxygen sensor restrictor fitting with adjustable gas flow inserts

Thread-On “J-style” O² Sensor Bung with Interchangeable Inserts (M18 x 1.5 Thread) Male end of fitting threads into existing Female O² Sensor Bung with M18 x 1.5 Thread

Vibrant Performance J-style oxygen sensor fittings help you to complete your project with quality bungs and great value. When clearance under the vehicle is an issue, their "J" shape allows for an easier installation, by placing the sensor parallel to the exhaust pipe. These sensor fittings are crafted from T304 stainless steel.