Learn More about the LB7 Stealth Mach 1 (64mm) Turbo for your 2001-2004 Duramax LB7! 

 This Drop-In Turbo is capable of 640 HP!  

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LB7 Stealth Mach 1 is:

  • 100% Drop-In, with no additional parts required for installation.  
    • Utilize stock down-pipe andoil fittings
  • Upgraded internals without sacrificing drive-ability
  • Replacement Turbo for failed stock units
  • Make 640 RWHP with the proper supporting mods 
  • Excellent for towing and street driving

Learn More About the Stealth 64G2