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80 inch

  1. Evolution Engine
    Hey guys I have an evolution 1340 in my fatboy with 14K original miles on it. I am ready to add some more power to it after a stage one carb rejet, intake and V&H exhaust, as well as an ultima single fire ignition upgrade. I am going to go big on this one, and add 10.5:1 pistons, ported heads...
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