Shift Kit Chevy Allison 1000 2001-2005 5 Speed BD Diesel HAT Outflows factory intake by 32%

Outflows factory intake by 32%

2011 - 2021 GMC Sierra 3500 HD

Ideal for applications where installed aftermarket performance turbo will not facilitate turbo mount exhaust brake

and Pressure Threshold adjust via app

you'll experience unparalleled visibility across a broad area

Shift Kit Chevy Allison 1000 2001-2005 5 Speed BD Diesel HAT Outflows factory intake by 32%This kit requires removal of the Tranmission for installation of the internal parts. Installation recommendation: Experienced technician; Includes our exclusive smart Trim Clutch Control valve assemblies for increased durability; Addresses Going to neutral under load; 3 4 slip; burned C2 or C3 clutches; sticks in one gear; won't move after extended parking; loss of pump prime; SHORT CRISP SMOOTH upshifts and kickdowns; Handles 500 Street Horsepower