Features and Benefits:
- Large easy-to-read pressure gauge
- Universal rubber adapter fits virtually any size spark plug hole
- Manual release valve holds peak and pressure readings for easy recording
- Small compact unit fits conveniently into tool box
This quick-test style tester does not require threading into the spark plug hole, making it an ideal, economic solution for quickly diagnosing engine compression problems such as worn piston rings, sticking or burnt valves, blown head gasket(s), or carbon build-up in cylinders, on cars and small engines. Not for use on diesel engines. Includes 2 3/4" (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, and stem with universal rubber spark plug hole adapter and manual release pressure valve. Also includes user manual (English/Spanish/French)
