2005-2006 Duramax LLY Transmissions & Drivetrains

Whether you need just a better than stock replacement torque converter or a full-blown sled pulling converter, Revmax has you covered! Each Revmax ...

Whether you need just a better than stock replacement torque converter or a full-blown sled pulling converter, Revmax has you covered! Each Revmax ...

Whether you need just a better than stock replacement torque converter or a full blown sled pulling converter, Revmax has you covered! Each Revmax ...

The 1058 is probably the 2nd most popular converter we sell at SunCoast. This torque converter can be used for both towing and racing. It is 200-30...

1,700-1,800 rpm stall speed. This torque converter was designed with one purpose in mind, pulling. SunCoast initially developed this converter for ...

This converter has been a workhorse with the Allison platform since its inception. The stall speed is stock and also has a stock stator. This conve...

Control your torque converter from the palm of your hand with the AlliLocker from Fleece Performance Engineering. The AlliLockeris 100 percent code...

Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement trans...

Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement trans...

The Fleece Performance TapShifter allows you to shift your 2001-2005 GM Allison Transmission with the touch of a button just like the 2006 and newe...

Dress up your Allison Transmission with our Billet PTO Cover Kit. Complete kit includes covers, gaskets, and button head bolts to give your transmi...

HOT transmission oil has to be COOLED to keep you on the track. Double stacked cores deliver over 40,000 BTU/HR of cooling and over 350% temperatu...

BD's design deflects the oil back onto the ring gear and into the pinion gear for cooler longer life. Other differential covers are large and bulky...

BD's exchange valve bodies are modified, tuned and tested to provide optimum performance in towing and performance applications. The end result is ...

Installation recommendation: Experienced technician Includes our exclusive Smart Trim/Clutch Control valve assemblies and items to modify the C2 c...

BD's FleX-Plate is designed to reliably handle up to 1,500 lb-ft of torque. These units are forged billet, precision-balanced and SFI approved for ...

BD torque converters feature exclusive performance cast aluminum stators that improve efficiency and durability for better response in stock to hig...

Vehicle maneuverability is reduced while in 4WD. When the 2Low Unloc is turned on, you disable the front wheel drive mechanism allowing for full to...

When you purchase a BD transmission and torque converter package, you are getting a matched set that has been dyno tested together for ultimate per...

HOT transmission oil has to be COOLED to keep you on the track. Double stacked cores deliver over 40,000 BTU/HR of cooling and over 350% temperatur...

No need to locate the correct filter service kit for your BD transmission, get it right from the source!

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

Coolers, providing 22% more cooling over other designs. The 200 Micro Extruded passages provide a large surface area to transfer heat for external ...

High volumes of cool oil equate to long transmission life. BD's transmission pans increase oil capacity, while their aluminum construction and heat...