The TransGo A1-LU-BST-04 Lock-up Boost Valve is engineered for performance built 2004-2010 GM 2500HD/3500HD With Allison 5/6-Speed Transmission. This boost valve is designed to help prevent torque converter slippage under high horsepower and race conditions by increasing your lock-up oil pressure. The increased pressure also prevents your PCM from throwing the P0741 code and putting your transmission in limp mode.
Features:
- For High HP Applications
- Reduces Torque Converter slip
- Significantly Increases Lock-up Oil Pressure
Note: Recommended for high horsepower and race applications only.
