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I wouldn't exactly say something easy. There had to be a cause. Those factory rockers should go 100K easily.
Questions: :-|
High mileage?
Oiling problem (blocked pushrod or bad lifter)?
Too much cam lift (valve spring binding or retainer hitting guide)?
Make sure everything is working right before just bolting a new one on and driving away. Next time, damage may be worse. #-o
Bob
tufcj
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I saw that on a Chevy 383 once. the pushrod wore a hole right through the rocker. see if you have any coil bind or check your spring pressure.