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Author Topic: 302 FACTORY ROCKER ARMS  (Read 1643 times)
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« on: February 24, 2010, 01:08:41 PM »

I was  checking in my gm parts book about 302 factory rocker arms  part#3974290  it states that the rocker arms have a  "V" stamped at the end of rocker.      i recently saw some on ebay that sold  and they had a "O"  stamped at the end of the rocker.   does anyone know the diffrence?   thanks for any input.
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« Reply #1 on: February 24, 2010, 05:21:31 PM »

Originals have the "O".  Later replacements do not.  They are also very strong.  What we use in Stock Eliminator.

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