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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
In-frame Kit Includes:
don't leave to chance what you depend on most
• Precision-engineered components for consistent compression
and service life—without the downtime or cost of a full teardown
PDI Big Boss Cummins X15 SOHC Stage 2 Cylinder Head 3411767 In-frame Kit Includes:Available for: 2010 2025 Cummins ISX and X15 Engines Key Benefits High Nickel Casting Inconel Exhaust and Intake Valves Stainless Steel Fire Ring Enhanced Airflow and Combustion Chambers Improved Cooling Passages Made in the USA Warranty: 2 Year Unlimited Mileage PDI Big Boss Cummins ISX X15 Stage 2 Cylinder heads are meticulously designed to surpass the most demanding expectations, making them the perfect choice for heavy duty applications in
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