Features: 1.Universal oxygen sensor spacer, allows you to check engine light to fix M18 x 1.5 sensor vulnerability. 2.With dedicated tools, perfect accuracy and repeatable thread, a must need for vehicles running at high flow. 3.This kit can be used in few different ways with straight and 90?degree adapter. 4.Comes with multi?part O2 sensor gasket which can well work with standard M18x1.5 oxygen sensor. 5.Support straight bolt?on installation, no modification needed, requires no complicated tools. Specification: Item Type: Oxygen Sensor Spacer_x000D_ Material: Stainless Steel_x000D_ Thread: M18 x 1.5_x000D_ Application:_x000D_ Universal for various car models_x000D_ Fit for 2 bolt type secondary oxygen sensor(Fit for Tacoma, etc.and other models uses this flange form) Note: O2 sensor extender is designed for off?road, race or experimental vehicles only, and may not be used on highway vehicles.