Bully Dog 2007-10 Cummins ISX CM871 Big Rig Cummins Turbo + Actuator 56156 OEM: 2881993

Bully Dog’s all-new turbos with actuators for Cummins engines are direct OEM replacements that improve performance and reliability. Bully Dog turbos come with a Billet compressor wheel and beautiful polished aluminum compressor housings.

Experience unparalleled performance with Bully Dog Big Rig turbos, engineered to elevate your heavy-duty truck’s capabilities. These all-new, pre-calibrated turbos are designed as direct bolt-on OEM replacements, ensuring a hassle-free installation process. Featuring a precision-crafted billet compressor wheel, these turbos deliver quicker spool-up and reduced lag compared to stock units, resulting in improved responsiveness and efficiency. You’ll notice a significant boost in horsepower and fuel economy, making your rig more powerful and cost-effective on long hauls. Each turbo comes complete with an actuator and requires no core charge, simplifying the upgrade process. With Bully Dog Big Rig turbos, you’re investing in a road-ready solution that combines cutting-edge technology with reliable performance, designed to keep your truck running at its peak.

The Bully Dog 56156 is a Stage 1 performance VGT (Variable Geometry Turbo) specifically designed for the 2007-2010 Cummins ISX CM871 engine.

It is a direct bolt-on OEM replacement that includes a pre-calibrated electronic actuator, meaning you don't need additional calibration software to complete the install.

Vehicle & Engine Compatibility

• Engine: Cummins ISX CM871 (Single Cam)

   

• Model Years: 2007, 2008, 2009, 2010

   

• Horsepower Range: Designed for trucks making 400 to 650 HP.

   

• OEM Cross-Reference: Replaces OEM Turbo Number 4309078 (also associated with 2881994, 2881993, and 3774612 depending on the specific revision).

   

Key Features of the 56156

• Billet Compressor Wheel: Lighter and stronger than the factory cast wheel, providing quicker spool-up and reduced turbo lag.

   

• Electronic Actuator: Comes with a new, pre-calibrated actuator. This is a major plus since factory actuators are a common failure point and can be difficult to calibrate manually.

  +1

   

• Performance Gains: Typically adds 20 to 50 HP and can increase boost by up to 7 PSI over the stock configuration.

   

• Durability Upgrades: Features an upgraded cobalt VGT cage and ring, high-quality copper journal bearings, and upgraded diffuser plates for better heat management.