LB7 Stealth Mach 2 (67) Turbo (2001-2004)

- 800 HP Peak Power
- Direct fit for 2001-2004 6.6L LB7 Duramax
- Dyno Proven
- Custom Billet Compressor Wheel
- Stealth HIGH-FLOW Turbine Assembly
- Engineered Anti-Surge Compressor Cover
- Stock Appearing
- Quick Spool-Up
- Wide Torque Curve
- Useable Horsepower

The unique advantage of having our tuning experts work on this turbocharger design can’t be understated. DuramaxTuner’s experience with the particulars of how the Duramax platform responds to tuning adjustments and airflow changes was a crucial component in building you the perfect turbo upgrade.

Building the LB7 Stealth Mach 2 (67) meant designing a turbo that's safe to tow reasonable loads with, fun to drive every day, and a class-leading competitor. If you think street-able, clean, stealthy power is cool then this is the turbo for you! We left no stone unturned when engineering the LB7 Stealth Mach 2 (67). Our custom profile on the compressor wheel matched to the custom turbine wheel means you get power and drivability.

• 800 HP Peak Power


• Direct fit for
  
  
  
  • 2001 6.6L Duramax 
  
  
  • 2002 6.6L Duramax 
  
  
  • 2003 6.6L Duramax 
  
  
  • 2004 6.6L Duramax
  
  
  
  


• Dyno Proven


• Custom Billet Compressor Wheel


• Stealth HIGH-FLOW Turbine Assembly


• Engineered Anti-Surge Compressor Cover


• Stock Appearing 


• Quick Spool-Up


• Wide Torque Curve


• Useable Horsepower

This Turbo is Designed for you if you...

• Daily drive your truck


• Reliability and Performance are your top priorities


• Have a built short block or plan to build your engine in the future


• Prefer to simply swap your old turbo out for a new one


• Want more power when you need it, but still have excellent street manners


• Have installed or plan to install modified injectors


• Have installed or plan to install a built transmission


• Have installed or plan to install dual Cp3's or stroker Cp3

 

Add on a Stealth Boost Tester.

Boost leaks can kill diesel engines. They cause higher EGTs, decrease your power, and lower fuel economy. Properly being able to test your entire charged air system is essential to getting peak performance and longevity out of your diesel engine. Charged air systems include everywhere from the turbocharger to the intake manifold. Your intercooler system, Exhaust Gas Recirculation components, and even the Turbocharger compressor cover can all develop boost leaks. This boost tester is exactly what you need if you work on diesel trucks regularly or just want to check the condition of your engine's charge system. Here's what you can get:

• Heavy Duty Regulator
  
  
  
  • Extremely Accurate
  
  
  • Testes Entire Charge system
  
  
  • Precise control over test conditions
  
  
  • Easy to use and read
  
  
  • Premium parts built to last for a lifetime
  
  
  • High-quality seals
  
  
  • Liquid gauge prevents erratic readings
  
  
  • Metal construction
  
  
  
  

• CNC Precision-Cut Adapter
  
  
  
  • Perfect Fitment
  
  
  • Clean look
  
  
  • Intelligent design
  
  
  • Made from high-quality materials 
  
  
  • Made and assembled in the USA
  
  
  
  

 

LB7 Stealth 67G2 Details
Fitment Specifications
Year	OEM	Models		OEM Part #(s)
2001, 2002, 2003, 2004	Chevy	2500 HD, 3500 HD		8973077111 8971884545 97720748 97307711 766172-0001 VIDR VIDQ VICU
2001, 2002, 2003, 2004	GMC	2500 HD, 3500 HD
Measurement Specifications
Compressor -    Wheel Inducer	Compressor - Inducer Bore	Compressor -  Wheel  Blade Count	Turbine - Wheel Exducer	Turbine - Wheel Inducer	Turbine - Wheel Blade Count	Peak Power
67mm	68mm	11 blade	71mm	77mm	10	800 RWHP
Maximum Recommended Boost Pressure (psi) for LB7 Stealth 67G2
Altitude (ft)	Barometric Pressure (psi)	Baro (inHG)		Max Safe Boost (psi)
-1000	15.2	31.02		44.1
0	14.7	29.88		42.6
1000	14.2	28.86		41.2
2000	13.7	27.84		39.7
3000	13.2	26.83		38.3
4000	12.7	25.81		36.8
5000	12.2	24.8		35.4

* We are proud to offer our 1-year Stealth Warranty. 

* 49 State legal basis tested and approved - PDF documents 

* Not for sale in the state of California.

* ALL PICTURES SHOWN ARE FOR ILLUSTRATION PURPOSES ONLY. THE ACTUAL PRODUCTS MAY VARY DUE TO PRODUCT ENHANCEMENT.

* Prop 65WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov