Bully Dog Big Rig 56500 Stage 1 Performance Turbocharger - Premium VGT Upgrade for Mack MP8 & Volvo D13 Engines

Engineered Performance Meets OEM Reliability

The Bully Dog Big Rig 56500 represents the pinnacle of heavy-duty turbocharger engineering.

Designed specifically for 2008-2019 Mack MP8 and Volvo D13 engines, it delivers exceptional performance gains that professional drivers and fleet operators demand.

This Stage 1 performance turbocharger combines cutting-edge billet wheel technology with precision variable geometry turbine (VGT) control, striking the perfect balance between power, efficiency, and reliability.

Technical Specifications

Core Components:

• Stage 1 Billet Wheel VGT Turbocharger with integrated electronic actuator
• 64mm Billet Aluminum Compressor Wheel - CNC-machined from aerospace-grade aluminum for maximum strength and heat dissipation
• Cobalt VGT Cage and Ring Assembly - Delivers precise boost control across the entire RPM range
• Electronic Actuator - Factory-calibrated for seamless integration with OEM engine management systems

Engine Compatibility:

• 2008-2019 Mack MP8 Engines (All Displacements)
• 2008-2019 Volvo D13 Engines (All Displacements)

Power Range:

• Supports 400-625 Horsepower Applications
• Ideal for stock to moderately tuned engines
• Scalable performance for various duty cycles

Construction Quality:

• OEM Replacement Quality Standards
• Direct bolt-on installation - no modifications required
• Meets or exceeds original equipment specifications
• Rigorous quality control and testing protocols

Performance Benefits

Reduced Turbo Lag

The advanced billet compressor wheel design and optimized VGT geometry virtually eliminate turbo lag, delivering power exactly when you need it.

Whether you're merging onto highways, climbing steep grades, or accelerating from a stop, the Big Rig 56500 responds instantly to throttle input.

Your truck will feel more responsive and easier to drive in every situation.

Superior Throttle Response

The precision-engineered cobalt VGT cage and ring assembly provides infinitely variable boost control, allowing the turbocharger to adapt to changing load conditions in real-time.

You'll experience crisp, immediate throttle response that gives you better control and improved drivability in traffic.

Plus, you'll have more confidence when passing or navigating challenging terrain.

Faster Spool-Up

The lightweight 64mm billet aluminum compressor wheel reduces rotational mass while maintaining structural integrity, letting the turbocharger reach optimal boost pressure significantly faster than stock units.

This quicker spool-up delivers stronger acceleration from lower RPMs, reduces the need for downshifting, and improves fuel economy during normal driving.

Enhanced Airflow and Cooling

The aerodynamically optimized compressor wheel moves significantly more air than stock turbochargers, improving cylinder filling and combustion efficiency.

This increased airflow directly lowers exhaust gas temperatures (EGTs), reduces engine operating temperatures, and decreases thermal stress on critical engine components.

Cooler running temperatures extend engine life, reduce maintenance costs, and improve reliability—especially important for high-mileage commercial applications.

Improved Engine Reliability

By reducing operating temperatures and providing more efficient combustion, the Big Rig 56500 protects your engine investment.

Lower EGTs mean less stress on pistons, rings, valves, and head gaskets. More efficient airflow reduces the workload on your cooling system.

The result is an engine that runs cleaner, cooler, and more efficiently, with the potential for significantly extended service intervals and reduced long-term maintenance costs.

Why Choose the Bully Dog Big Rig 56500?

OEM-Quality Construction

Unlike cheaper aftermarket alternatives, the Big Rig 56500 is manufactured to original equipment quality standards.

Every component is precision-machined, balanced, and tested to ensure perfect fitment, reliable operation, and long service life.

The electronic actuator is factory-calibrated to work seamlessly with your truck's existing engine management system, eliminating the need for custom tuning or programming.

Direct Bolt-On Installation

The Big Rig 56500 is designed as a true OEM replacement, featuring identical mounting points, oil and coolant connections, and exhaust flanges as your factory turbocharger.

This means straightforward installation by any qualified diesel technician—no cutting, welding, or fabrication required.

Installation typically takes 4-6 hours, and the turbocharger is ready to perform immediately upon startup.

Proven Performance

Bully Dog has been a trusted name in diesel performance for decades, and the Big Rig 56500 continues that tradition.

This turbocharger has been extensively tested in real-world commercial applications, from long-haul trucking to heavy construction equipment, proving its durability and performance in the most demanding conditions.

Versatile Application

Whether you're running a stock engine and want better drivability and efficiency, or a tuned engine chasing maximum performance, the Big Rig 56500's 400-625 horsepower range gives you the headroom you need.

The advanced VGT system automatically adjusts to your power level and driving conditions, delivering optimal performance across the entire operating range.

Technical Advantages

Billet Aluminum Compressor Wheel

The 64mm billet compressor wheel is CNC-machined from aerospace-grade aluminum alloy, delivering superior strength compared to cast wheels.

This process ensures perfect balance, eliminates the porosity issues common in cast wheels, and allows for more aggressive blade profiles that move air more efficiently.

The result is a compressor wheel that withstands higher boost pressures, operates at higher speeds, and delivers more consistent performance over its service life.

Cobalt VGT System

The cobalt alloy VGT cage and ring assembly represents a significant upgrade over standard materials.

Cobalt alloys maintain their strength and dimensional stability at extreme temperatures, ensuring precise vane control even under sustained high-load conditions.

This precision lets the turbocharger maintain optimal boost pressure across the entire RPM range, eliminating the flat spots and boost spikes common with worn or inferior VGT systems.

Integrated Electronic Actuator

The factory-calibrated electronic actuator provides precise, repeatable control of the VGT vanes, responding instantly to commands from the engine control module.

Unlike pneumatic actuators that suffer from lag and inconsistent operation, the electronic actuator ensures perfect boost control in all conditions—from cold starts to sustained high-load operation.

Installation and Compatibility

The Bully Dog Big Rig 56500 is engineered for 2008-2019 Mack MP8 and Volvo D13 engines, ensuring perfect compatibility with these heavy-duty powerplants.

The turbocharger features:

• Factory-correct mounting flanges and bolt patterns
• OEM-specification oil feed and drain connections
• Correct coolant line routing and fittings
• Proper exhaust inlet and outlet sizing
• Compatible with all factory emission control systems
• No ECM reprogramming required for installation

Installation requires standard diesel technician tools and follows conventional turbocharger replacement procedures.

The unit arrives pre-assembled and pre-balanced, ready to install. All necessary gaskets and hardware are included.

Performance You Can Trust

When you invest in the Bully Dog Big Rig 56500, you're not just buying a turbocharger—you're investing in improved performance, better fuel economy, enhanced reliability, and reduced operating costs.

This turbocharger is designed by professionals, for professionals who demand the best from their equipment.

Advanced materials, precision engineering, and proven design make the Big Rig 56500 the ideal upgrade for owner-operators and fleet managers who understand that quality components pay for themselves through improved performance and reduced downtime.

Order Your Bully Dog Big Rig 56500 Today

Transform your Mack MP8 or Volvo D13 engine with the performance and reliability of the Bully Dog Big Rig 56500 Stage 1 Performance Turbocharger.

Experience the difference that precision engineering and quality construction make in real-world driving conditions.

Don't settle for worn-out factory turbos or inferior aftermarket alternatives. Upgrade to Bully Dog quality and performance.

Contact your authorized Bully Dog dealer today to order part number 56500, or visit our website for more information on this and other premium heavy-duty performance products.

We recommend professional installation for optimal results.

Bully Dog Big Rig 56500 - Where Performance Meets Reliability

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