Stage 6 Complete Ready-To-Install Allison Transmission

Features:

• Fits 2003-2004 GM 6.6L Duramax
• Complete ready-to-install Allison transmission
• Built for performance and daily driving
• Ideal for towing, racing, and heavy loads
• Upgraded with the latest performance parts
• Designed for increased durability and power
• Expert-built with 35+ years of experience
• Fully customizable to meet your truck’s needs
• Improved torque capacity and shift quality
• Call for expert advice on your build

Crate Transmission Upgrade for 6.6L Duramax

Upgrading your transmission is one of the most important steps in building a durable, high-performance truck. The PPE Stage 6 Complete Ready-To-Install Allison Transmission is designed for 2003-2004 GM 6.6L Duramax owners who need a stronger, more capable drivetrain. Whether you tow heavy loads, push your truck at the track, or simply want peace of mind with a more reliable transmission, this upgrade is built to handle demanding conditions. Since this unit comes fully assembled, installation is straightforward, allowing you to get back on the road faster with minimal downtime. PPE also offers customization options to tailor the build to your specific needs. If you need assistance choosing the right setup, our team of experts is available to help.

Fits: 2003, 2004 GM 6.6L Duramax