Features and Benefits:

• 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 2 3/4 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



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.

Includes:

• 2 3/4 in. (70 mm) diameter Bourdon tube gauge (readings indicated in four scales of measure: bar, psi, kPa, and kg/cm�) 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)