This weld on boss is designed to allow the fitment of O2 (lambda) sensors to an exhaust system which do not have provision for one. The boss has an M18 x 1.5 thread which fits most types of sensor including Bosch. The kit is also supplied with a blanking plug and copper sealing washer for if the sensor is only to be fitted temporarily for tuning purposes.
- Allows O2 (lambda) sensors to be fitted to exhaust systems
- Accepts most common types of sensor
- Includes a blanking plug and sealing washer