Broken rocker arms two weekends in a row

Les Gibson said
Asking if anyone might have any thoughts on what might be causing this.
For consecutive weeks I've broken an exhaust rocker arm. Last week #4 exhaust rocker broke. This past Friday night #5 exhaust rocker broke. These are Harland Sharp rockers installed on Mopar Performance aluminum W5 heads. There's no oiling issue or clearance issues. I am told by the previous owner of my Arrow that these rockers are about 6 years old. Is this a case that they're just wore out and I need a new set or is there another reason. Appreciate any constructive thoughts.

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If it was me I would double check your geometry and simple stuff so you know it isn’t on you. Getting off and on the throttle did not cause this because that’s what racers do. If you would hear my son at the finish line and every other good racer you know that. Our season is almost over now so I would talk to the Mopar guy at Harland Sharp (I forget his name) and I would box them up and send them to them for testing. Both being exhaust rockers makes me go hmmmm.