When you purchase a BD  transmission and torque converter package,
you are getting a matched set that has been dyno tested together for ultimate
performance, and reliability. Every transmission comes with BD’s own Heavy
Duty pan that adds extra fluid capacity. For towing, street or track, when it
comes to a dependable transmission that will stand up to your diesel’s power
and torque demands, the clear choice is BD.

Hard anodized valve body and new solenoid pack installed in every
unit
Custom bonded gasket valve body separator plate increases line pressure
while stopping internal cross leaks
Heavy duty cam & roller design low reverse one way clutch
New 4C billet spring retainer
Steel girdle added to 2C piston to allow for more clutches and broader
apply area
BD durable QT100 pressure plates allow for increased clutch counts and
reduce deflection and distortion within the clutch drum
Over Drive clutches 33% increase & 2C clutches 33% increase
Custom Big Stack overdrive shaft
BD reinforced accumulator plate
TCC limit valve machined and sleeved to address high wear area with in
pump
BD Deep sump oil pan adds extra fluid and cooling capacity while reducing
case flex
BD ProTech68 pressure control module ramps up line pressure to 250 psi using
MAP sensor to input load and adjust pressure required