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specifically designed for Caterpillar (CAT) C15 engines
PDI Big Boss performance radiators for Kenworth models feature a dimpled tube design to allow coolant more time to cool properly for more demanding applications
This block allows for a true zero-hour engine build
Designed using a new casting and all-new internal components
PDI Big Boss Detroit DD15 Cylinder Head 5579421PX specifically designed for Caterpillar (CAT)Available 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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