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PDI Big Boss CAT C12 Stage 1 Cylinder heads are meticulously designed to surpass the most demanding expectations
and torque
Precision Casting and Machining: Each crankshaft is forged and machined to ensure perfect fitment and optimal operation
Performance You Can Count On
Engineered Beyond Standard
PDI Big Boss Detroit 60 Series EGR Exhaust Manifold 5495621 PDI Big Boss CAT C12Available for: 2003 2006 Detroit Series 60 12. 7L and 14L Key Benefits 20% increase in airflow over stock in key areas 75 100 degree cooling of EGTs Made in the USA Warranty: 2 Year Unlimited Mile Warranty The BIG BOSS Series 60 EGR Exhaust Manifold from PDI has been designed to maximize the exhaust air flow to reduce turbo lag time and reduce exhaust temperatures. Stock and other manufacturers fall short as their design constricts the airflow
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