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01-04 GM Allison SunCoast Boost Modifier Valve

The TransGo A1-LU-BST Lock-up Boost Valve is engineered for your high horsepower 2001-2003 GM 2500HD/3500HD With Allison 5-Speed Transmission. This boost valve is designed to prevent torque converter slippage under heavy duty/race conditions by significantly increasing lock-up oil pressure. This increase in pressure also prevents the PCM from throwing the P0741 code and throwing your transmission in limp mode.


FEATURES:

  • For High HP/Race Applications
  • Reduces Torque Converter Slip
  • Significantly Increases Lock-up Oil Pressure


Note: Recommended for high horsepower and race applications only.



SunCoast part number: A1-LU-BST

 
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