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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
With high quality steel pistons
Stainless Retaining Clips
application
Introducing the PDI Big Boss In-frame Overhaul Kit for Cummins X15 engines
Available for: 1999-2024 Cummins X15 and ISX Engines
PDI Big Boss Cummins X15 SOHC Stage 1 Cylinder Head CAT With high quality steel pistonsAvailable 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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