Transmission Stage 4 - 2001-2004 Chev LB7 Allison 1000 4wd 1990 Tests with the same tune

Tests with the same tune and fuel quantity showed increased power output and a decrease in peak EGT's EPA/CARB compliant / 50-state legal

Dimension: 11 x 5 x 5 inches

Open air intake kit

What's more

22% more cooling over other designs

Transmission Stage 4 - 2001-2004 Chev LB7 Allison 1000 4wd 1990 Tests with the same tuneThe stock transmission is designed to handle the output of the stock engine, but not much more. Increase the durability of your drivetrain with a BD transmission. All transmissions come with BD's heavy duty transmission pan. Increase the durability of your drivetrain BD Aluminum HD deep transmission pan, increases oil capacity by 3. 5qt Clutch Count: C4 6 clutches (0% increase over stock) Clutch Count: C5 7 clutches (17% increase over stock) Each