Lamdasondenaufnahme schraubbar Lambdasonde Aufnahme Einschweißmutter Einschweißgewinde Gewinde neu restriktor fehler 2. 2te zweite Lambda sensor restrictor fitting With adjustable o2 gas flow inserts For wideband and OEM sensors Straight version, angled version available as well. The restrictor reduces the amount of exhaust gas that comes into contact with the sensor element. This changes the sensor readings and prevents ECU fault codes common during racing conditions or after the installation of metallic catalysts or de-cat pipes. The restrictor does not completely block the sensor and still maintains a level of control and regulation. Material: stainless steel 1.4301 / V2A / SS304 Thread: M18 x 1,5