Product Description
The ATS 309-822-4248 Stage 2 Allison LCT1000 Transmission Package is a performance-focused upgrade designed for 2001–2002 6.6L LB7 Duramax trucks. Built to address common factory transmission weaknesses, this package delivers increased holding power, improved shift quality, and enhanced durability for daily driving, towing, and moderate performance applications.
This Stage 2 transmission is ideal for truck owners running mild power upgrades who need a dependable and stronger-than-stock solution. Featuring upgraded clutch packs, improved internal components, and the ATS Five Star torque converter, this package ensures efficient power transfer and longer transmission life.
Engineered for reliability and performance, the ATS Stage 2 Allison transmission provides a significant improvement in torque capacity while maintaining smooth drivability for street and work use.
FAQ
Q: What is the difference between Stage 2 and higher ATS stages?
A: Stage 2 is designed for mild to moderate power levels, offering improved durability and performance without the extreme upgrades found in Stage 4 or Stage 5 units.
Q: Is this transmission good for towing?
A: Yes, this transmission is excellent for towing and daily driving, with improved clutch capacity and heat management over stock.
Q: Does this package include a torque converter?
A: Yes, it includes the ATS Five Star torque converter for improved efficiency and torque multiplication.
Q: What power levels can this transmission handle?
A: This transmission is typically suited for trucks up to approximately 500–600 horsepower depending on tuning and supporting modifications.
Fitment
- 2001 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax (2WD)
- 2001 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax (2WD)
- 2002 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax (2WD)
- 2002 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax (2WD)
Key Features
- Improved clutch capacity over stock
- Handles moderate horsepower increases
- ATS Five Star torque converter included
- Enhanced durability for towing and daily use
- Improved shift quality and consistency
- Upgraded internal components
- Ideal for stock to mildly modified trucks
Specifications for ATS 309-822-4248
| Specification | Details |
|---|---|
| Part Number | 309-822-4248 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 2 |
| Drivetrain | 2WD |
| Engine Compatibility | 6.6L Duramax LB7 |
| Model Years | 2001 - 2002 |
| Horsepower Rating | Up to 600 HP |
| Torque Capacity | Improved over stock |
| Shipping Weight | Approximately 400 lbs |
| Shipping Method | Freight (Core Charge Applies) |
| Warranty | 5 Year / 500,000 Mile Limited Warranty |
| California Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
