
2006-2007 Duramax Towing Compound Turbo Kit (424403)
Description
Fits
| Year | Make | Model | Engine |
| 2008-2010 | Chevrolet/GMC | Silverado/Sierra 2500HD/3500HD | LBZ 6.6L Duramax |
Upgrade your 2006–2007 LBZ Duramax with this bolt-on compound turbo kit engineered for towing and heavy-duty use. Featuring a fast-spooling Silver Bullet PhatShaft turbo and Borg Warner S475 turbo, it delivers strong airflow across the RPM range—capable of supporting up to 700 RWHP while lowering exhaust gas temperatures. Designed for ultimate reliability during heavy pulls or daily towing loads
Part Number: 424403
Features
- Supports up to 700 RWHP
- Includes Silver Bullet & S475 turbos
- Reduces EGTs under heavy load
- Great for towing & daily driving
- Complete install kit included
- Requires custom tuning
Original: $5,855.23
-65%$5,855.23
$2,049.33Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Description
Fits
| Year | Make | Model | Engine |
| 2008-2010 | Chevrolet/GMC | Silverado/Sierra 2500HD/3500HD | LBZ 6.6L Duramax |
Upgrade your 2006–2007 LBZ Duramax with this bolt-on compound turbo kit engineered for towing and heavy-duty use. Featuring a fast-spooling Silver Bullet PhatShaft turbo and Borg Warner S475 turbo, it delivers strong airflow across the RPM range—capable of supporting up to 700 RWHP while lowering exhaust gas temperatures. Designed for ultimate reliability during heavy pulls or daily towing loads
Part Number: 424403
Features
- Supports up to 700 RWHP
- Includes Silver Bullet & S475 turbos
- Reduces EGTs under heavy load
- Great for towing & daily driving
- Complete install kit included
- Requires custom tuning












