3688 Gasoline Compression Tester

  • Set for testing cylinder compression pressure on gasoline engines
  • Provided with mostly common used spark plug adapters,
    • sizes are:
      • M10 × 1.00,
      • M12 × 1.25,
      • M14 × 1.25,
      • M18 × 1.50
  • Includes aluminum test tubes, fitting in-line and V-shape engines.
  • Rubber tube equipped with an enhance locking design, preventing the adapter from being left on the spark plug hole when disconnecting the rubber tube
  • Made In Taiwan