CS Engine Combustion REAL-TIME Leak Tester - Cylinder Head Gasket CO2 Head Tester - Test While Driving - Petrol Diesel Gas - Engine Under Load Head Gasket Test Kit-30 PCS (Service Pack) sold2026 USB Microphone etc

USB Microphone etc

Green is the negative pole

more anti-scratch performance

just put some black nail polish over the bulb or cover it with black tape to dim it

CS Engine Combustion REAL-TIME Leak Tester - Cylinder Head Gasket CO2 Head Tester - Test While Driving - Petrol Diesel Gas - Engine Under Load Head Gasket Test Kit-30 PCS (Service Pack) sold2026 USB Microphone etcCS Engine Combustion REAL TIME Leak Tester Cylinder Head Gasket CO2 Head Tester Test While Driving Petrol Diesel Gas Engine Under Load Head Gasket Test Kit 30 PCS (Service Pack) 30 PCS CS MOTOR TEST IN SPECIAL BOX The CS Engine Head Gasket Leak Tester is very easy to use: 1) When your vehicle's engine is either cold or warm, place our test in the engine's reserve water tank, keeping the handle on the outside. 2) Seal the cap slowly to prevent the