Dual-Gauge Leak-Down Tester & Replacement Parts
Use the Goodson Leak Down Tester to apply pressure in spark plug holes Compare supply PSI to cylinder PSI to determine if there is a leak. NOTE: The Cylinder Leak Down Tester will help pinpoint a single problem area in an engine. If more than one problem exists, this tool will only indicate the area of greatest leakage. Complete Leak Down Tester includes dual gauge assembly, 21" long hose, 14mm and 18mm adaptors. Additional adaptor sizes are available (sold separately).
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