Complete Engine Diagnostic Kit: Compression tester automotive and engine compression tester set includes 1 x 300 PSI dual-scale gauge, 14" hose, 2 rubber cone adapters (straight & angled), 4 brass adapters (M10, M12, M14, M18), and 1 spark plug tester. Ideal for quickly testing cylinder pressure in cars, motorcycles, lawn mowers, and small engines.
Accurate Pressure Readings: Small engine compression tester features a 3” dual-scale dial (0–300 PSI / 0–20 Bar) with a shock-absorbing rubber cover and scratch-resistant coating. Built-in check valve and one-hand pressure release ensure safe, reliable, and repeatable measurements every time.
Versatile and Easy to Use: Engine compression tester works with most spark plug types and depths. Simply connect the gauge to the spark plug hole using the hose and adapters, crank the engine, and read the pressure instantly. Perfect for automotive, motorcycle, and lawn care maintenance.
Durable and Long-Lasting: Compression tester automotive is made of heat-treated, high-hardness steel with electroplated copper adapters and a rubber hose connection for durability. Rust and corrosion-resistant materials ensure long-term performance in garage or field use.
Bonus Spark Plug Diagnostic Tool: Small engine compression tester kit comes with a spark plug tester to check ignition circuits, dirty plugs, faulty points, or damaged cables. A flash indicates a complete ignition circuit, helping you troubleshoot engine issues faster and more safely.