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Upgrade your LB7 Duramax with the unmatched durability of BD Diesel’s TowMaster Allison 1000 Transmission & Converter Package. Designed specifically for 2001–2004 2WD Chevy 6.6L trucks, this kit delivers exceptional performance for towing and daily driving. The transmission is re-engineered with increased clutch counts and improved hydraulic circuitry to maximize strength under load. Paired with a torque converter featuring enhanced stall and furnace-brazed fins, this dyno-tested combo ensures reliable torque delivery, lower heat, and smoother shifts for the long haul.
💰 NOTE: $2,100 USD refundable core deposit required prior to shipping.
Transmission Highlights:
BD HD Aluminum Deep Transmission Pan (adds 3.5qt fluid capacity)
High energy GPZ™ friction materials
Revised oil circuit design & boosted lock-up pressure
New A & B trim valves deliver full line pressure
Increased clutch count:
C1: 8 (↑14%)
C2: 7 (↑17%)
C3: 7 (↑75%)
C4: 7 (↑17%)
C5: 7 (↑17%)
Fully dyno-tested for performance & reliability
Torque Converter:
Enhanced stall suited for towing/street use
Cast aluminum torque-multiplying stators
Stamp-forged steel front cover
Furnace-brazed turbine fins
Triple the lock-up clutch material
Improved efficiency & reduced heat
2001 Chevy Silverado 2500HD/3500 6.6L Duramax LB7 (2WD)
2002 Chevy Silverado 2500HD/3500 6.6L Duramax LB7 (2WD)
2003 Chevy Silverado 2500HD/3500 6.6L Duramax LB7 (2WD)
2004 Chevy Silverado 2500HD/3500 6.6L Duramax LB7 (2WD)
Fits 2WD models only – not for 4WD applications
BD Diesel Allison 1000 TowMaster Transmission Assembly
ProForce Torque Converter (Enhanced Stall)
BD HD Deep Aluminum Transmission Pan
Pre-installed GPZ™ Frictions and Upgraded Clutch Packs
New Convertor Lock-Up & A/B Trim Valves
Fully dyno-tested, ready-to-install unit
BD Diesel Performance is a leading authority in diesel drivetrain and performance solutions. Each BD transmission is built to outperform OE designs through superior materials, upgraded internal components, and real-world testing. With unmatched support, proven durability, and a 36-month warranty, BD Diesel gives you the peace of mind to tow, haul, and daily drive with confidence.
We are open Monday-Friday from 8am-6pm EST
Yes, customers located in and around the the Piedmont area are welcome to pick up their items from our retail location during normal business hours. Our address is:
Elite Race Fab
1514 Holbrook St Suite D-F
Greensboro, NC 27403
Elite Race Fab offers free ground shipping & handling to our retail customers within the lower 48 contiguous United States on most orders totaling $159.99 and higher, when the item being purchased is not a Freight/LTL item! Orders under $159.99 will be subject to a nominal $13.99 Flat shipping charge. Some exceptions and/or exclusions apply, in those scenarios you will be advised of any additional charges in the item details/description stating shipping exclussions/freight shipping required etc.
In regards to expedited and international shipping each order will need to be quoted on a case by case basis. You can obtain a quote two ways:
- From your shopping cart select "Request a Quote" prior to placing your order. We will review your proposed order and promptly respond with shipping estimates.
- Complete your order ahead of time indicating either expedited or international shipping during the checkout process. We will promptly determine shipping rates for your order and email you for approval and additional payment.
-Give us a call and we can ensure your item is shipped right then, to ensure you have it in time for your deadline.
We have been committed to offering all of our customers the lowest pricing throughout our website day in and day out. We value your business so much that we go a step further than our competitors. We use a third party software that proactively monitors all our competitor's websites/pricing so that we can make adjustments accordingly if needed to have the lowest prices. Thats right, no need to spend hours searching for the lowest prices, as ours will be the lowest.
As far as price matching, we dont want to write a check we cant cash, but we certainly want to earn your business. With that said, we will go above and beyond to match our competitor's pricing when it is needed. Simply email us, click the live contact button, or give us a call and be sure to have a link to our competitor's site and please factor in any shipping and handling their website will be charging. We will then ensure you get the lowest price, and either match or beat their pricing.
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