Installation Tips: Before installation, make sure your car car engine is cool. Then you can install the tool on the engine valve.Put the tool on the engine, hold the intake and exhaust tool tightly.After installation, the tools can work well on the intake and exhaust engine valve.
Function: The intake valve is to draw air into the engine to mix with the fuel for combustion. The exhaust valve is to discharge the fuel and air mixture after combustion.
About us: All products are tested by machine before leaving the factory. We will check the products again before we ship them to you! If you have any questions, you can send us communicate with us a message.