ITEM NAME:Angle 90 Lambda O2 Extender Spacer For Description: 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. Specification: Material: alloy Internal and External Thread: M18x1.5 Size Chart: Size:Approx. 4x2.5x4.5cm/1.6x0.98x1.8inch Package Includes: 1 Piece Extender Note: Installation: Unscrew the lambda , screw in the emulator in its place and then screw in the . Extenders are from SKU: DMO0012543552035909.Unscrew the lambda, screw in the emulator in its place and then screw in the. Washer in the set, ability to adjust the angle of screwing in the extender. 1 Piece Extender. Internal and External Thread: M18x1.5.