This adaptor allows a Bosch wideband Lambda (O2) sensor to be fitted where an M12 original equipment sensor would have been on most motorcycles. the adaptor is angled at 45 degrees to allow for extra clearance and can be rotated and locked off in any position. Stainless steel construction and supplied with a copper sealing washer.Fits O/E motorcycle lambda exhaust bossAllows fitment of a much more accurate, wide band sensorIdeal for fine tuning of motorcycle enginesM12 male thread to M18 female thread.
