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When you want big power from your engine these units are Pro Magnum bottom ends with pistons set up for 11 12 14 15 16 and 18 degree cylinder heads like the Big Chief and Big Duke heads that are non and symmetrical port layouts that are synonymous for making the big power to run the big numbers people like to run.
Great price, high quality and these engines can also be 8:1 to 16:1 compression for E85, Turbo, Nitrous, Pro Charger, Maxx Pro Street engines, Pulling or even Mud Truck applications. These engines dominate the conventional style cylinder headed engines that just can not keep up. Also, Pump Gas Drag Racing is here! Ask about options