
The Story
Fits 2011 thru 2019Ā Chevy Silverado/GMC Sierra 2500HD/3500HD LML/L5P Duramax Diesel with Allison 1000 Transmission
This kit is the perfect upgradeĀ for race applications in the 800HP-1200HP range.
Benefits:
- Improved Pressure Regulator Valve Function
- Improved Torque Converter Clutch Function
- Increased Torque and Horsepower Capability
Notes:
- This kit also includes a higher calibration E shift spring
- Sticking E shift valves can cause codes P1711 or P0872

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Fits 2011 thru 2019Ā Chevy Silverado/GMC Sierra 2500HD/3500HD LML/L5P Duramax Diesel with Allison 1000 Transmission
This kit is the perfect upgradeĀ for race applications in the 800HP-1200HP range.
Benefits:
- Improved Pressure Regulator Valve Function
- Improved Torque Converter Clutch Function
- Increased Torque and Horsepower Capability
Notes:
- This kit also includes a higher calibration E shift spring
- Sticking E shift valves can cause codes P1711 or P0872























