Spark plugs, a cheap must do maintenence item

[07liftback]

Originally Posted by Kitt

These are my spark plugs.. Acceleration was not smooth, changed them and the difference was huge! They did not lasted that much tho, I know my car has an oil leak so that could be the case

How long did those plugs last you? What brand and model are those plugs? I ask because NGK plugs are oem for our cars.