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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Available for: 2013-2021
PDI Big Boss Turbo for Detroit DD15 Gen 2
and real-world engine demands in mind
PDI Big Boss Exhaust Manifolds are designed to maximize exhaust air flow to reduce turbo lag time and cool exhaust temperatures
PDI Big Boss Cummins X15 SOHC Stage 1 Cylinder Head 115-2989 Available for: 2013-2021Available for: 2010 2025 Cummins ISX and X15 Engines Key Benefits High Nickel Casting Inconel Exhaust and Intake Valves Stainless Retaining Clips Made in the USA Warranty: 2 Year Unlimited Mileage PDI Big Boss Cummins ISX X15 Stage 1 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. They exemplify our
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