Performance Tool W80577 Compression Tester Spark Plug
Brand: Performance Tool
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