Increase the durability of your drivetrain; Revised oil circuits; Handles up to 300% more power and torque than the stock transmission; Extra clutches and stronger internals; BD rigid aluminum heavy duty transmission pan; Pan adds 3.5qt extra oil capacity; Pan reduces case flex; Pan reduces internal oil leakage; Pan heat-dissipating fins keep temperature down; Pan magnetic drain plug; New convertor lock up valve to boost lock-up pressures; Updated lube; Updated regulator; Updated pressure release spring; 20% more friction surface; High energy clutch material; Added extra frictions; Modified power pistons; New return springs; Increased main line oil pressure; Modified separator plate for short crisp shifts; New A&B trim valves; springs and solenoids; Clutch Count: C1 8; Clutch Count: C2 7; Clutch Count: C3 6; Clutch Count: C4 6; Clutch Count: C5 7. The 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.. BD Aluminum HD deep transmission pan, increases oil capacity by 3.5qt. Use Of Third Party Or OE Converter Will Invalidate Trans. Warranty. BD TowMaster Chevy Allison 1000 Transmission - 2001-2004 LB7 4wd. New A & B trim valves deliver full line pressure to the clutches. BD Diesel Transmission - 2001-2004 Chev LB7 Allison 1000 4wd. BD TowMaster Chevy Allison Transmission 2001-2004 LB7 4wd. New convertor lock up valve to boost lock-up pressures. 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). Transmission; Incl. HD Transmission Pan; Stage 4;. Handles Up To 300% More Power/Torque Than Stock. Increase the durability of your drivetrain. Not Warranted For Race Or Sled Pull Use. 36 Month/150000 Mile Limited Warranty. TRANSMISSION CHEVY 2001-2004 LB7 4WD. Revised Oil Circuits/Extra Clutches. Each Transmission Is Dyno Tested. Automatic Transmission Assembly. High energy GPZ(TM) frictions. Incl. BD Pan And PressureLoc. Has Stronger Internals. Increased clutch count. No Race Abuse Covered. TRANSMISSION STAGE 4. Revised oil circuits. Auto Trans Assembly. Transmission

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