Available: August 2025

The No.4423 9-Piece Compression Tester Set (Pro) is a comprehensive tool kit designed for accurately testing cylinder compression pressure on gasoline engines. Ideal for professional mechanics and automotive enthusiasts, this set ensures reliable diagnostics and engine performance analysis.

Features:

  • Universal Compatibility: Includes the most commonly used spark plug adapters:

    • M10 × 1.00

    • M12 × 1.25

    • M14 × 1.25

    • M16 × 1.50

    • M18 × 1.50
      Covering a wide range of petrol engines.

  • Aluminum Test Tubes: High-quality aluminum construction suitable for both in-line and V-type engine configurations, ensuring durability and accurate readings.

  • Enhanced Locking Design: The rubber hose features a secure locking mechanism to prevent the adapter from detaching and remaining in the spark plug hole when disconnecting, improving safety and efficiency.

Whether for diagnostics or routine maintenance, this professional-grade compression tester set offers precision, durability, and ease of use.

Barcode # 9322159030204