- Engines & Components
- Engine Tools
- JEGS Compression & Leak-Down Testers
Gauge the Compression of Critical Engine Components
A JEGS Compression or Leak-Down Tester will equip you to diagnose failed or leaking valves, pistons, rings, and head gaskets through the spark plug, glow plug, or injector ports. Our testers offer easy-to-read gauges, high PSI capabilities, and adapters for most import and domestic vehicles, making them a must-have addition to your tool arsenal.
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