LLY Duramax Transmissions

Add fingertip control to your 2001-2005 Duramax Allison 1000 transmission for easy Tap Shifting when passing, pulling, hill climbing or whenever yo...

BDs FleX-Plate is designed specifically for modified applications, and can reliably handle up to 1,500 lb.-ft. of torque. Twice as thick as the sto...

BDs High Performance CP3 (HPCP3) Injection Pump with up to a 72-percent increase in capacity / displacement delivers enough fuel to support up to 7...

BD Diesel Proforce Torque Converter 2001-2010 6.6L Duramax Allison Equipped BD torque converters feature exclusive performance cast aluminum stato...

No need to locate the correct filter service kit for your BD transmission, get it right from the source!This Part Fits: Year Make Model Submodel ...

BD Diesel Valve Body - 2001-2004 Duramax LB7 Allison 1000 BD's exchange valve bodies are modified, tuned and tested to provide optimum performance...

NOTICE: This kit requires removal of the transmission for installation of the internal parts; Installation recommendation: Experienced technician; ...

High volumes of cool transmission fluid equate to long transmission life. BDs deep aluminum pans increases the oil capacity by 1qt on the 1989-2007...

Not all multi-disc converters are created equal and with BD's ProForce 3D, less is more. Our in-house CNC machined billet cover is designed to...

Same parts used in our own performance transmissions; All kits include the basic rebuild parts and gaskets; C1 Clutch Pack Raybestos Z-Pack; C2 Clu...

Same parts used in our own performance transmissions; All kits include the basic rebuild parts and gaskets; C1 Clutch Pack Raybestos Z-Pack; C2 Clu...

BD Diesel Valve Body - 2004-2006 Duramax LLY Allison 1000 BD's exchange valve bodies are modified, tuned and tested to provide optimum performance ...