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Engine Compression Tester 3-piece Forsage FT-903G7 (0–21 bar, M14–M18 adapters)
Summary description:
Handheld 3-piece engine compression tester Forsage FT-903G7 measures cylinder compression from 0 to 21 bar and includes M14–M18 adapters for common spark-plug threads. Designed for diagnosing petrol engines, it helps detect worn rings, valves, and head gasket leaks. Suitable for workshop and field use for routine maintenance and fault finding.