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PDI Big Boss Cummins ISX/X15 Stage 1 Cylinder heads are meticulously designed to surpass the most demanding expectations
Up to 20% increase in airflow over stock
industrial fallout
How do I use Rebel Rubber
OEM Cross Reference 4298627
Detroit DT12 Automatic Clutch cylinder head PDI Big Boss Cummins ISX/X15Available for: Detroit DT12 Transmissions 2012 2021 Key Benefits 15% higher torque capacity All new clutch assembly Made in the USA Warranty: 1 Year Unlimited Mile Warranty PDI Big Boss clutch for the Detroit DT12 transmission is a great upgrade and replacement. This clutch fits all DT12 transmissions from 2012 2021 model years with 6 friction spring disc. Delivers the performance and reliability youve come to expect from PDI. Replaces OEM Part