MV5520 Compression Test Kit

Designed for dry and wet automotive cylinder compression testing to detect ring or cylinder head problems, sticking valves, blown head gasket(s) and more. Pressure gauge has a large easy-to-read face, and includes hose and adapters for testing engines with 14 mm and 18 mm short thread and 14 mm long thread spark plugs. 

Not for use on diesel engines.


  • Manual pressure release for maintaining peak readings
  • Large easy-to-read gauge face with multi-colored scales
  • Professional-grade threaded adapters for leak proof seals
  • Quick-disconnect coupler speeds up cylinder changes


  • 2¾ in. (70 mm) diameter Bourdon tube gauge (readings indicated in four (4) scales of measure (bar, psi, kPa, and kg/cm²) with pressure release and quick-change coupler.
  • 14 mm and 18 mm short-thread adapter with 15 in. (380 mm) hose
  • 14 mm long-thread adapter
  • User manual (English/Spanish/French)


Max. pressure
300 psi (2070 kPa) (20.7 bar)
Packaged weight1.0 lb. (0.45 kg)
Case size5 x 12 x 1⅜ in. (125 x 305 x 35 mm)