Description
Fits: 2011 thru 2019 Chevy Silverado/GMC Sierra 2500HD/3500HD LML/L5P Duramax Diesel with Allison 1000 Transmission
This kit is the perfect upgrade for any Duramax owner looking to increase to the 400-800 HP range.
Benefits:
- Improved Pressure Regulator Valve Function
- Improved Torque Converter Clutch Function
- Increased Torque and Horsepower Capability
Notes:
- Includes a higher calibration E shift spring
- Sticking E shift valves can cause codes P1711 or P0872
