800HP Drop-In Stealth 67 G2 LB7

The Stealth 67 G2 for the LB7 is the perfect stock appearing charger for towing, daily driving and competition.

If you think street-able, clean, stock-appearing power is cool then this is the turbo for you! We left no stone unturned when we engineered the Stealth 67G2.

• 800 HP Peak Power

• Fits 2001-2004 Duramax

• True IHI Casting

• Dyno Proven

• Custom Turbine

• Engineered Anti-Surge Compressor Cover

• Stock Appearing

• Quick Spool-Up

• Wide Torque Curve

• Use-able Horsepower

Our custom built 67.7 compressor wheel is specifically designed to maximize peak power. To fit that wheel we developed a unique, OEM appearing, anti-surge ring that fits into the one-of-a-kind compressor cover. This compressor assembly also required diving into the details of every other part of in the turbo. The backing plate had to be designed to work with our wheel and cover setup. The new center section includes a 360-degree thrust bearing to increase reliability and prevent walk. Even a newly designed wastegate solution is incorporated to make sure you have the most power possible while maintaining reliability.

With the all-new compressor side and center section put together a turbine wheel and exhaust housing upgrades had to be made. The Stealth 67G2 features the largest turbine available in an IHI (stock LB7 turbo) frame. This dramatically reduces drive pressure. Helping you achieve as close to a 1:1 ratio between the drive and boost pressure. This not only helps make more power but also manages EGT's.


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Calibrated Power Solutions
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Marengo, Illinois 60152