90 Angled Lambda O2 Oxygen Sensor Extender Spacer For Decat Hydrogen Brass M18x1.5Features: Polished front surfaces enabling perfect tightening. Washer in the set, ability to adjust the angle of screwing in the extender. Threads are made with dedicated tool, perfect accuracy and repeatability. Exhaust gas inlet hole 2 mm In extreme situations narrowing of the inlet hole prevents motor failure (driving at high speed). Perfect for tight awkward spaces, where there is no room for the straight extenders Installation: Unscrew the lambda oxygen sensor, screw in the emulator in its place and then screw in the oxygen sensor. Extenders are from Specifications: Material: Brass Internal and External Thread: M18x1.5 Height: 40mm Package Size: 5 x 4 x 3cm / 2 x 1.6 x 1.2in Weight: 130g / 4.6oz Package List: 1 x Oxygen Sensor Extender