Transgo Allison 1000 5 Speed Shift Kit, 2001-2005 GM 6.6L Duramax LB7 LLY

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Transgo Allison 1000 5 Speed Shift Kit.For 2001, 2002, 2003, 2004, 2005 GM 6.6L Duramax LB7 LLY The basic element of a built Allison This kit includes pump improvements and require s transmission to be removed from truck. Corrects/Prevents/Reduces: Goes to neutral under load; 3-4 slip; burned C2 or C3 clutches; sticks in one gear; wont move after extended parking; loss of pump prime; smart clutch control valves for increased durability; SHORT-CRISP-SMOOTH-upshifts and kickdowns.Handles 500 Street Horsepower. Show more