Thread: Uh Oh! Stripped a rocker arm thread in the head!!
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Old 05-16-2002, 01:56 PM
oupa300e oupa300e is offline
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Join Date: May 2002
Location: California
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Exactly. I believe an ISO 10.9 is very close in hardness to a SAE grade 8. ISO 8.8 equates to SAE grade 5.
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