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When you need the most HP from your engine these units are Pro Magnum bottom ends with non conventional heads like the “Big Chief” non and Symmetrical port heads that are the way to make big power and carry the Big Chief logo.
Great price, high quality and these engines can also be 8:1 to 16:1 compression, E85, Pro Street, Pulling or Mud Truck applications. Pump Gas Drag Racing is here!
