Engine Cylinder Compression Tester Gauge Kit with Extender Tubes, and 5 Spark Plug adapters M10 M12 M14 M16 M18
- 16MM spark plug adapter is hard to find in these kits but included to make this a complete kit for all gas engines including 5.4L
- 5 Adapters for a wide number of vehicles (spark plug types/depths) includes rare M16 adapter not available in comparable kits
- Kit includes 2 rubber cones ends for quick check (no need to thread into head) and thread into head aluminum straight tube
- 3" Gauge has dual color scale with 0-300 PSI, 0-20 kPa
- Spark Plug adapters: M10, M12, M14, M16, M18 (Male, With “O” Ring)