Compression Tester

Designed for fast and accurate compression testing of gasoline powered engines. Fits both 14mm and 18mm spark plug threads. Meets or exceeds ANSI

Diagnostic Engine Tools Cylinder Head Spark Plug Compression

Get an accurate read on your engine parts with the ABN Engine Compression Test Kit. It accurately measures cylinder compression and allows you to diagnose engine conditions such as damaged pistons, burned valves, blown head gaskets, and worn rings. The 18mm adapter has an Internal thread size of 14mm*1.25mm and outside thread size of 18mm*1.5mm to snugly attach to the 14mm hose threading for a universal fit on most plug types.

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