JEGS 80520 Dual-Gauge Leak-Down Tester:

• Identify leakage in the piston bore, rings, valves, or head gaskets
• Measures the ability of an engine cylinder to hold compressed air
• For measuring low, moderate, and high leakage and a scale range from 0-100 percent
• Adjustable regulator provides consistent air supply
• Hi-tech shockproof gauges tested and matched to 1/4 PSI
• Includes 26 inch hose with 14 mm 1.25 spark plug adapter
  • Test other engines with JEGS 555-W80577 Spark Plug Hole Adapters (sold separately)
• Can be used to set mechanical fuel injection barrel valves (follow injection manufacturers recomendations)