Not Ranked
To me, It's personal preference. Nothing wrong with Iron or Aluminum. Iron can have the bigger valves, hardened seats, bronze guides, along with bowl & port work if desired. At very reasonable cost & a big savings over aluminum. Aluminum is also great & has a weight advantage, so either way, it just depends on what you want & the budget you have to work with. Shipping heads is cheaper then you think. Check the weight & rates with Fedex.
My .02
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Mick
(Of The Troops & For The Troops)
Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body; but rather a skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, WHAT A RIDE!"
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