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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Whether you’re looking to replace a worn-out component or service your engine’s cooling system
ensuring unparalleled durability and performance
Available for all Detroit 60 Series Engines
Available for: 1989-2008 Cat 3406
The Big Boss tuner combined with our high performing exhaust manifold delivers power while allowing better exhaust flow from the engine
PDI Big Boss Cummins X15 SOHC Stage 2 Cylinder Head Extend Whether you’re looking to replaceAvailable 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
