PDI Big Boss Inframe Kit for Cummins ISX | 6429511 111007138500 20% increase in airflow over

20% increase in airflow over stock

Available for: 1993-2018 CAT

Key Features & Benefits

Replaces OEM Part Numbers:

sealed housing

PDI Big Boss Inframe Kit for Cummins ISX | 6429511 111007138500 20% increase in airflow overBuilt For Serious Rebuilds. Trusted For Real World Work. The PDI Big Boss In Frame Overhaul Kit for Cummins ISX CM570 features laser hardened top ring grooves for extended piston life, DLC coated piston pins, and DLC coated top piston ringsengineered for reduced friction, superior wear resistance, and long term reliability. Rebuild with confidence. When your ISX engine needs an in frame refresh, the PDI Big Boss Overhaul Kit delivers premium internal