Assurance Tested, More Responsive, Less Expensive, Easier To Install. Direct , And Have High Strength To Use. 90 Design More Room Inside Makes Better Reading Of O2, Greater Degreasing Of Air. Not Allow The Oil And Excess Fuel To Dump Straight To The Pipe. Built In Mini Catalytic Converter, To Checking Engine Light(cel) After Modifing Exhaustor Or Removing Catalytic Converter. Type:o2 Oxygen Sensor Adapter Solve The Problem Of P0420/p0042 Codes Faulty. It Is Suitable For The Installation Position With Narrow Space. Easy Installation, Direct Bolt-on, No Modification Needed. Thread: M18x1.5 Function: Check Engine Light Fix Applicable Models: Universal Material:metal Colour:silver Package Contents: 1 X 90 Oxygen Sensor Spacer Only The Above Package Content, Other Products Are Not Included. Note: Light And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.