Upgrade your Cummins engine performance with the Cummins Holset Performance Turbo. This stock replacement turbo provides quick spooling and bolts up directly. It features floating twin hydrodynamic journal bearings, an adjustable polished compressor, and turbine housing. The symmetrical twin flow turbine housings ensure optimal airflow. The superback compressor wheel enhances durability at high speeds. This turbocharger has high-pressure ratio capability, ensuring improved performance and reliability. Triple balanced up to 180,000 RPM, our turbochargers are built to last. With high-quality copper bearings and a polished aluminum housing, this turbo fits 1999 - Pre egr ISX engines.