I can't speak for anyone else, but I have motor problems right now. Yesterday I took off the valve covers and noticed one of the rocker arm studs had come loose - this is the 2nd one of the year, so I'm in the process of pinning the studs. I will be back for the big USMTS race next month though!
Pure Stock #2
screw in studs will solve your problem and is legal for ur class.