Calibrated Power Stealth Mach 2 (67mm) Drop-in Turbo | 2001-2004

Stealth 67 Drop-In Turbo for LB7 Duramax (2001–2004)

The Stealth 67 is a high-performance, stock-appearing drop-in turbo built for serious power. Designed for LB7 Duramax trucks, it delivers up to 800 HP while maintaining quick spool-up, strong drivability, and improved efficiency. Supersedes DM1351070303000

Key Features

• Supports up to 800 HP
• Dyno proven performance
• 67mm 11-blade extended tip billet (2618 alloy) compressor wheel
• 70.7mm 10-blade 713C nickel alloy turbine wheel
• Largest turbine available in stock IHI-style frame
• Stock-appearing design with anti-surge compressor cover
• 360° thrust bearing for durability
• Quick spool-up with wide, usable power band

Benefits

• Increased peak power with a broad, usable torque curve
• Reduced drive pressure for improved efficiency
• Lower EGTs under heavy load
• Better boost-to-drive pressure ratio (near 1:1)
• Reliable performance for demanding builds
• Simple bolt-on upgrade

Fitment

• 2001-2004 Chevrolet Silverado 2500HD/3500HD
• 2001-2004 GMC Sierra 2500HD/3500HD
• 6.6L LB7 Duramax