MV5530 Compression Test Kit


This comprehensive kit includes everything required to perform dry and wet engine cylinder compression tests. Commonly used to detect ring or cylinder head problems, sticking valves, blown head gasket(s) and more. Includes adapters for use on motorcycles, marine and small engines and an air-hold adapter for performing valve seal repairs without removing the cylinder head(s). 

Not for use on diesel engines.


  • Manual pressure release for maintaining peak readings
  • Professional-grade threaded adapters for leak-proof seals
  • Extended hoses for hard-to-reach applications
  • Large, easy-to-read 2¾ in. (70 mm) diameter gauge
  • Adapters to fit engines as small as lawn mowers, chain saws and trimmers
  • Quick-disconnect coupler for easy accessory changes


  • 2¾ in. (70 mm) gauge with high impact lens, rubber boot, and four (4) scales of measure (psi, kg/cm², bar, kPa), attached to 10 in. (250 mm) hose and quick release coupler
  • 14 mm short-thread adapter with 6½ in. (165 mm) and 12 in. (305 mm) hoses
  • 14 mm long-thread adapter with 12 in. (305 mm) hose
  • 18 mm short-thread adapter with 12 in. (305 mm) hose
  • 14 mm short-thread x 18 mm long-thread adapter
  • 10 mm thread small engine adapter
  • 12 mm thread small engine adapter
  • Quick-release air hold adapter
  • Custom blow-molded case
  • Field service kit
  • User manual (English/Spanish/French)


Max. pressure
300 psi (21 kg/cm²) (20.5 bar) (2,070 kPa)
Packaged weight3.5 lbs. (1.6 kg)
Packaged size14.5 x 8 x 2.7 in. (370 x 205 x 70 mm)

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