ACTRON CP7826 Compression Tester $0.01 - $49.99 Forget about nails

Forget about nails

Back-Tap's patented collapsible design allows it to engage be placed through the spark plug hole and into the chamber

including replacement tachometers

sandable in 15 minutes for fast same-day repairs

Light gray when mixed

ACTRON CP7826 Compression Tester $0.01 - $49.99 Forget about nailsFEATURES Measures cylinder compression to accurately diagnose engine condition Tester has 14 in high pressure flexible oil and grease resistant hose Compression tester has external pressure release valve 14mm and 18mm ends fit most spark plug openings 1 year warranty DESCRIPTION This compression tester measures cylinder compression to accurately diagnose engine problems like leaks from ring and valves. It allows you to measure pressure within the