OEMTOOLS 37138 Compression Tester Gauge Set, Compression Tester Automotive, Engine Compression Tester with Flexible Hose, 14mm and 18mm Adapters

Essential Cylinder Compression Tester: Monitor the health of your engine with an accurate reading from our tester; Featuring a 14mm and 18mm adapter for spark plug ports; Read the condition of your engine’s cylinders with our easy-read pressure gauge. Accurate Compression Readings: Our engine compression gauges give you an accurate reading of engine's compression; Reads PSI from 0-300; The compression test kit's flexible rubber hose extension allows you to easily access spark plug ports. Great For Cars And Trucks: Maintaining your vehicle’s engine is essential to the longevity of the vehicle; Work on cars and trucks with the cylinder compression test kit's 2-step 14mm and 18mm adapters to determine the health of your cylinders. Diagnostic Tool: Diagnose problems with your vehicle’s cylinders using our engine compression test kit; Valves sticking, cracked cylinder heads, worn cylinder walls, and more can be diagnosed with our cylinder compression tool. Product Specifications: This compression tester kit features a flexible rubber hose extension to reach spark plug ports; (2) 2-step adapters sized 14mm and 18mm for cars and trucks; Pressure gauge measures from 0-300 PSI; Not for use on diesel engines