Orion Motor Tech Engine Compression Tester Kit, 11 pc Cylinder Compression Tester Kit with Spark Plug Tester, Engine Cylinder Pressure Gauge for Gas Petrol Engines. Manufacturer: Orion Motor Tech. EASY TO USE: Troubleshoot late timing, ignition failures, or defective connections with the spark plug tester; release pressure at the push of a button; locate hard-to-reach spark plugs with ease with the extension hose and rod; and make quick and easy connections with the push-on fittings.
