hey everyone i was looking over my motor today and noticed one of the bolts on the head is broke about halfway through the threads to show what bolt it is please view pic below
sorry pic isnt from my car one can be taken if needed doesnt seem to be leaking oil and still runs fine. i know it should be replaced but will this be fine if it goes alittle while till i take the valve cover off and can replace it?

sorry pic isnt from my car one can be taken if needed doesnt seem to be leaking oil and still runs fine. i know it should be replaced but will this be fine if it goes alittle while till i take the valve cover off and can replace it?