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Join Date: Dec 2007
Location: Just a little north of 13669/Nation's capital
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Help ID these rockers

Hi everyone Looking at these two rockers, you can see there is a difference in the boss of the adjuster screw, one has material relieved. Can someone explain why the difference? Is one better than the other? Thanks

Old 01-11-2013, 04:32 PM
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Different manufacturers. Another thing to notice is the oil hole, some have a flatter boss and some have no boss to the oil hole.
Bruce
Old 01-11-2013, 04:53 PM
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I've got a picture somewhere of at least four different variations in casting details of rockers. But other than the early unbushed rockers (to be avoided, or converted to bushings), and forged RSR rockers with lash caps instead of adjusters, I've not seen nor heard of any reason to prefer one over the other. As long as the bushing is good and the rocker face is good, I use mine interchangeably and don't pay attention to which have the factory special Delta mark (I assume that is what it is, though it doesn't quite replicate the factory mark) and which don't.

Old 01-11-2013, 10:52 PM
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