Increase the durability of your drivetrain. BD Aluminum HD deep transmission pan, increases oil capacity by 3.5qt. Comes with BD Allison Pressure Box delivering up to 275PSI of line pressure. High energy GPZ(TM) frictions. Increase in steel mass for better heat dissipation. Increased clutch count. Clutch Count C1 8 clutches (14 increase over stock). Clutch Count C2 7 clutches (17 increase over stock). Clutch Count C3 7 clutches (75 increase over stock). Clutch Count C4 7 clutches (17 increase over stock). Clutch Count C5 7 clutches (17 increase over stock). Each transmission is dyno tested.