The Professional Compression Tester CP7828 measures cylinder compression to accurately diagnose engine condition. It is compatible with all standard spark plug threads. Product has quick disconnect coupler that separates hose from gauge for faster, easier connections to the engine. Also includes push-button side release valve that allows repeated testing without disconnecting. Includes adapters for all standard spark plug threads:12mm 14mm14mm long reach18mmRepair kit includes valves and rubber O-ringsEasy-to-read, 2-1/2" professional gaugeBourdon tube movement for accurate readingsHeavy-duty rubber boot protects gaugeStandard and metric scales:0-300 lbs psi0-2100 KPaTool pouch keeps parts organizedIllustrated instructions included1 year warranty
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