Removed from a brz zc6. No longer needed due to upgraded ignition and spark plugs. Spark plugs were replaced around 2022. Used for 30,000 kilometers. These are genuine parts. Regarding the ignition coils, if the previous owner didn't replace them, they would have been used for 100,000 kilometers. There is some carbon buildup on the items. They were removed from a working vehicle without any issues. No engine check light errors were ever triggered. However, there is some age-related deterioration, so please use them at your own risk. We cannot accept any claims related to installation issues.