a standard spark plug should last 10-20K KM...those better/performance type should last 30-50KM....
Spark plug is wear and tear part...
Also life span of spark plug depend on your engine condition...if your engine makan engine oil / wrong tuning then your spark plug will wear out faster.
So I was being a bit of an idiot. I was standing still and put my foot on the brake and the accelerator to bring boost on to launch. Just before i let go of the brake, something went bang and now I cant select any...