NGK Laser Iridium IZFR6K11 | How To Check if REAL

Be careful, there are people selling counterfeit spark plugs online and in person. In this video, I provide you with 8 quick checks to verify if your NGK Laser Iridium spark plugs are real. The information in this video is specific to the Iridium Plugs model IZFR6K11. Other Iridium model numbers may have real plugs that use a cardboard protector and may say ///JAPAN/// on the plug. For the longer version of this video- click here: FYI -NGK manufactures in Japan, US, and Thailand. Some models come with plastic covers and other models come with cardboard. The main places you should be worried about fakes is Ebay and Amazon 3rd party sellers. Known good Amazon 3rd party sellers: AUTOPARTSAAA, CPS, OverStockDirect Places to buy legitimate plugs: Auto Zone, Napa, Pep Boys, O'Reilly, Advanced Auto Parts, Parts Authority, Summit Racing, Parts Geek, Parts Plus, Rock Auto. These spark plugs are good for up to 110k miles (in a properly functioning engin