Compatible with gasoline engines using 14 mm and 18 mm spark plugs, this compression test kit performs dry and wet cylinder testing to identify head gasket, ring, or valve issues. It utilizes a 2-3/4″ (69.9 mm) Bourdon tube gauge to measure up to 300 psi across four scales and includes a manual release valve to maintain peak readings. The assembly incorporates a 15″ (38.1 cm) hose with a quick-disconnect coupler and threaded adapters for leak-proof seals during cylinder changes.
Mityvac MV5520 Offers
Compression Test Kit
Features
- Designed for dry and wet automotive cylinder compression testing to detect ring or cylinder head problems, sticking valves, blown head gaskets 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
- Professional-grade threaded adapters for leak proof seals
- Quick-disconnect coupler speeds up cylinder changes
Mityvac MV5520 Specifications
| Maximum Pressure | 300 psi (21 kg/cm squared) |
| Packaged Weight | 1.0 lbs (0.5 kg) |
| Dimensions | 12 x 5 x 1-3/8″ (304.8 x 127 x 34.92 mm) |





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