2007.5-2010 Duramax Quick Spool Compound Kit (425402)

The Industrial Injection Quick Spool Compound Turbo Kit is a fast-spooling setup designed to add horsepower and torque across the RPM range on the 6.6L Duramax LMM. The kit uses a Silver Bullet Phatshaft 64/74/14 and a BorgWarner S475 in a compound configuration for strong airflow and lower exhaust gas temperatures.

This is a complete kit that comes with everything needed for installation. Other turbo configurations are available.

• Fast spooling
• Lower exhaust gas temperatures (EGTs)
• Silver Bullet Phatshaft turbo (64/74/14)
• BorgWarner S475 turbo (75/96/1.32)
• Mild fueling upgrades recommended
• Complete kit
• Capable of 700hp

• Other turbo configurations are available.