364cade9_Duramax_LLY_LBZ__SpeedBrakeâ____BD
[FEATURE] Automatically Shifts Transmission [BANKS SPEEDBRAKE] Controls torque converter lock-up & gear selection for maximum braking [PACBRAKE] No transmission interface. Relies on factory Tow/Haul mode for trans. control [BD] 
No transmission interface. Relies on factory Tow/Haul mode for trans. control
Banks Power | 06-07 Chevy/GMC - 6.6L Duramax LLY-LBZ>>SpeedBrakeâ¢
BD