There have been many failures of these rocker arms. GM had recalled a batch of these in 2017, but that didn't include my specific vehicle. All 8 intake rocker arms failed in the same place on a stock engine. I am very lucky that it didn't destroy my engine.
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There have been many failures of these rocker arms. GM had recalled a batch of these in 2017, but that didn't include my specific vehicle. All 8 intake rocker arms failed in the same place on a stock engine. I am very lucky that it didn't destroy my engine.
- Terry H., Devine, TX, US