2pcs 18 mm to 12 mm O2 Sensor Ports Plugs Bungs
- Kit contains the necessary sizes to test compression most gas engines.
- Snowmobiles, motorcycles, outboards, lawn equipment and much more.
- Includes: 10mm x 1.0, 12mm x 1.25, 18mm x 1.5 and the special 16mm x 1.5 Ford adapter.
- Fits our compression tester W80579 and others with a 14mm x 1.25 male thread.
- Rubber O-rings insure a positive seal and accurate readings.