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#267160 14/04/15 12:31 AM
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One of the first things I did was change out the stock stamped steel rocker arms on my 3 Wheeler. It never makes sense to me how you can have an engine with a roller cam but have no roller rockers.

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"Know the black and white before you walk in the gray"
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With the prices that S&S and Morgan get for their products, I was surprised to see a picture of stamped rockers on the cylinder head. Roller rockers are prettier but given the rpm range I wonder if they'll make much difference. On the other hand, years ago the hold-down nut worked loose on a stamped rocker in one of my first cars--with disastrous results.

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The stamped rockers will be perfectly functional and cost effective for S & S. However I agree the roller rocker solution is a great upgrade. Reminds me of my Cooper S days when a set of roller rockers was a must have.


Martin (Deano)
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Do check the valve clearance specification. On some engines, the clearance needed is reduced when roller rockers are used.


1930 Super Sports Aero 'The Elk'
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Does that still affect the hydraulic tappet system?

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The roller rockers come as a kit with new studs, push rods, and the rockers. There is no lash setting and a new lifter preload setting is given with the kit. You do have to "machine" the push rod hole in the cylinder head casting because the geometry is a little different with the bigger rockers.

Last edited by Bwitched; 14/04/15 05:07 PM.

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----and I like the "real" hood belt
Also I also think its always better to have a rocker "roll" across the valve stem than "rub" it no matter what the rpms are

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And Also did you have to buy the parts from the dealer, or could you go directly to S&S?

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Originally Posted By charlestkirby
Does that still affect the hydraulic tappet system?


That's got me, I was not thinking of hydraulic tappets, but ye olde fashioned adjustable ones. So no idea!


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S&S does not sell to the public, you must go through a dealer. Most Harley Davidson dealers can order the kit.


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