Description: M18x1.5 Thread: This Universal Spacer has size of thread M18x1.5, allows you to check engine light to fix M18 x 1.5 sensor vulnerability. O2 Sensor Gasket: Comes with O2 sensor gasket which can well work with standard M18x1.5 . Especially suitable for 2 bolt type secondary . Adaptability for Universal: This Universal Spacer has a very wide range of applications, which is suitable for various car models especially fit for , and other models uses this flange form and there will be no problems with adaptability differences during use. High-precision: This Universal Spacer comes with dedicated tools, perfect accuracy and repeatable thread, high-precision threads and models make the product adaptability more accurate and wider, it is a must need for vehicles running at high flow. Easy Installation: The Universal Spacer is easy to install and disassemble, no complicated tools, no drilling or welding. Support straight bolt on installation, no modification needed, easy to complete the installation. Specification: Material: Metal Size: 93.3x94.3mm/3.67x3.71inches (Check the picture for detail size) Weight: 375g Thread: M18x1.5 Package Includes: 1Set O2 Oxygen Spacer Sensor (As Picture shown) : There may be slight size deviations due to manual measurement, different measuring methods and tools.