Trans-Go Jr shift kit for 06 and up 6 speed Allison Transmissions

Install from bottom. Increases torque capacity Corrects/Prevents/Reduces: Goes to neutral under load; 3-4 slip; burned C3 clutches; sticks in one gear; smart clutch control valves for increased durability; SHORT-CRISP-SMOOTH-upshifts and kickdowns.



Note this part will fit on the 5 speed versions (01-05)