Big Boss Cummins ISX15 X15 Stage 2 Cylinder Head By PDI
Big Boss Cummins ISX15/X15 SOHC Stage 2 Cylinder Head
Fits Cummins ISX15 And X15 Engines (2010-2025)
High Nickel Casting
Inconel Exhaust & Intake Valves
Stainless Steel Fire Ring
Improved Cooling Passages
Enhanced Airflow & Combustion Chambers
Meticulously Designed To Surpass The Most Demanding Expectations
Each Cylinder Head Is Built With All Inconel Valves And A Stainless Steel Fire Ring
Exceptional Strength & Resistance To Extreme Temperatures
Perfect For Heavy Duty Applications
Sold Individually
Upgrade your Cummins ISX15 or X15 engine with the Big Boss Stage 2 Cylinder Head by PDI. Designed for heavy-duty applications, this cylinder head delivers increased performance, durability, and efficiency. Trust PDI's reputation for quality and precision engineering.
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