- Needed when installing gauges from all makers as this is the most popular spot to attach the sensors.
- The engine block side features a double packing, and protects the car from the leakages as well as oil splatters.
- Will fit stock oil filters.
- Center Bolt: 3/4-16 and M20-P1.5 included
- Sensor Holes: 2 – 1/8pt3
- O-Ring Size: Compatible with both 65mm and 70mm types