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

20% increase in airflow over stock

Key Features & Benefits

This premium injector kit from PDI is designed for the Cummins ISX CM870 and CM871 Engines

Lower quality exhaust manifolds from a competitor or stock can weaken over time as the manifold expands and contracts it will develop cracks and even flake

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