Compression Tester Kit — 8-Piece Cylinder

Diagnose engine health with this comprehensive 8-piece cylinder compression tester kit. Covers gasoline engines from 4 to 8 cylinders, with multiple adapters for common spark plug thread sizes and a quick-release pressure relief valve.

• 8-piece kit — fits 4 to 8 cylinder engines
• Adapters for 10mm, 12mm & 14mm plug threads
• 300 PSI rated gauge
• Quick-release pressure valve
• Flexible hose for easy access