Transmission Stage 4 - 2004.5-2006 Chev LLY Allison 1000 5-speed 4wd 2021 Add fingertip control for easy

Add fingertip control for easy Tap Shifting when passing

Designed using computation fluid dynamics

Designed with both reliability and performance in mind

this adjustable fuel pump is rated at 240 gallons of diesel fuel per hour and offers adjustable fuel pressure from 1-75 PSI to customize fuel delivery for race or competition diesel engines

Transmission Stage 4 - 2004.5-2006 Chev LLY Allison 1000 5-speed 4wd 2021 Add fingertip control for easyThe 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