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Author Topic: S&S 89cc Cylinder Heads  (Read 3402 times)

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busarealfast

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S&S 89cc Cylinder Heads
« on: May 19, 2023, 01:03:59 PM »
Will these heads work better than my CVO heads with SE 117 twin cam kit?
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HD Street Performance

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Re: S&S 89cc Cylinder Heads
« Reply #1 on: May 19, 2023, 01:32:38 PM »
You benefit from a compression jump and other than that the results would not likely be worth spending the cash to make a change in my opinion. Equal no change in power or torque.
Porting the CVO heads and milling would get you better results for 2/3 or less the cost.
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