Got an extra head for 50 bucks valves seems to b great guy had 2 motors with bad bottoms problem is 2 valves cove bolts were swapped wen he got it supposedly an they were tightened to the point where ther went through side of the head can anyone tell me what to do about that plans are send the head off for a port an polish but first thing is fix this issue its just far enough to see the bolt sticking out

Thanks in advance