90 Angled Lambda O2 Oxygen Sensor Extender Spacer For Decat Hydrogen Brass M18x1.5Features:_x000D_Polished front surfaces enabling perfect tightening._x000D_Washer in the set, ability to adjust the angle of screwing in the extender._x000D_Threads are made with dedicated tool, perfect accuracy and repeatability._x000D_Exhaust gas inlet hole 2 mm; In extreme situations narrowing of the inlet hole prevents motor failure (driving at high speed)._x000D_Perfect for tight awkward spaces, where there is no room for the straight extenders_x000D_Installation:_x000D_Unscrew the lambda oxygen sensor, screw in the emulator in its place and then screw in the oxygen sensor._x000D_Extenders are from_x000D_Specifications:_x000D_Material: Brass_x000D_Internal and External Thread: M18x1.5_x000D_Height: 40mm_x000D_Package Size: 5 * 4 * 3cm / 2 * 1.6 * 1.2in_x000D_Weight: 130g / 4.6oz_x000D_Package List:_x000D_1 * Oxygen Sensor Extender