Duramax Tuner DT550 Built Transmission | 2001-2016 Chevy/GM Duramax

The DT550 built transmission is designed for 2001-2016 Duramax owners that use their truck regularly. Great for those that tow heavy or just want a more reliable Allison 100 transmission. Our relentless testing of this pre-built Allison transmission means you don't have to worry about getting where you are going.
Our rigid standards for excellence are not limited to just overall strength, this setup is meant for the daily drivers. No harsh shifting or banging of gears. Just smooth, positive shifts and an easy converter lock-up. TUNING HARDWARE IS REQUIRED FOR THIS TRANSMISSION.

The DT550 Built Transmission includes:

• C1 - C4 Raybestos GPZ Clutches
• C5 Reybestos Clutches
• Goerend Triple Disc Torque Converter Included
• New Neutral Safety Switch
• New Speed Sensors
• All new electronics
• Upgraded valve body
• Pre-Built and ready to install