J-Style Oxygen Sensor O2 Spacer With Adjustable Inserts

Specifics and Features: T-304 Stainless Steel Construction Fits Most Standard O2 Sensors M18x1.5 Male / Female Thread 3 Different Sized Inserts to Adjust Exhaust Flow 1/8", 1/4", 3/8" Inserts Comes with Snap Ring to Retain Inserts Package Included: 1 X O2 Sensor Spacer 3 X Adjustable Flow Inserts 1 X Insert Retaining Snap Ring 1 X Brass Washer Compatible with: Any OBD2 Vehicle using M18x1.5 Thread Oxygen Sensors