Engine Compression Tester Kit, Petrol Engine Cylinder Compression Tester Kit Automotive Tool Gauge, Fuel Pressure Gauge Set with Conversion Connector, Automotive Fuel Pressure Test Kit 8pcs. This engine compression tester kit comes with an easy-to-read pressure gauge, conversion connector, and everything else you need for checking your cylinder's condition on your own. Checking compression on petrol engine quickly and accurately. This engine compression tester kit includes 42CM extension hose with 4 sizes (10mm, 12mm, 14mm, 18mm) selectable brass adapters. Our cylinder leak down tester works with gasoline engines on a wide range of vehicles including cars, trucks, ATVs, UTVs, motorcycles, lawnmowers, and more. This professional mechanics' tool set is made of quality materials, includes 2 rubber cones endsto resist wear, shock, torsion, and corrosion for years of dependable service. The dual movement fuel pressure gauge features a triple calibrated reading and a shockproof aluminum casing for optimal precision and convenience. Pressure Range: 0-300psi, 0-20bar. Troubleshoot late timing, ignition failures, or defective connections with the spark plug tester, pressure release button on side of tester, 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