•Contains one gauge and a complete adapter system for testing cylinder compression through the injector port on most Mack truck engines.
•Unique swivel end quick coupler.
•Gauge includes release valve and 368mm (14.5”) of hose, dial reads from 0~1,000 PSI and 0~70 BAR.

•Contains one gauge and a complete adapter system for testing cylinder compression through the injector port on most Mack truck engines.
•Unique swivel end quick coupler.
•Gauge includes release valve and 368mm (14.5”) of hose, dial reads from 0~1,000 PSI and 0~70 BAR.