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Rifling helps manage oil flow more effectively during operation
This block allows for a true zero-hour engine build
Not Remanufactured: Our crankshafts are brand new
injectors and supporting components
PDI Big Boss Detroit DD15 Cylinder Head 5579421PX Rifling helps manage oil flowAvailable for: 2013 2021 Key Benefits New Casting, Not Remanufactured Quality Replacement Cylinder Head Loaded with High Quality Valves Springs Made in the USA Warranty: 1 Year Unlimited Mileage PDI Big Boss Detroit DD15 DD16 Cylinder heads are meticulously designed to surpass the most demanding expectations, making them the perfect choice for heavy duty applications in trucking, construction, agriculture, and more.
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