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Shift kit for Allison 1000 valve body (Chevy, 2006–2008, 6‑speed). This BD Diesel kit includes Smart Trim/Clutch Control valve assemblies and components to modify the C2 clutch piston for increased capacity and durability. It provides short, crisp upshifts and kickdowns and addresses neutral‑under‑load concerns. Transmission removal and experienced technician installation are required for internal valve work.
BD Diesel Shift Kit - Chevy Allison 1000 2006-2008 6spd
