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Built to withstand the toughest heat cycle conditions
PDI Big Boss Turbo for Detroit DD15 Gen 2
Available for: Cummins ISX CM2250 2010-2013
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 Built to withstand the toughestAvailable 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