Product Description
The ATS 309-832-4248 Stage 3 Allison LCT1000 Transmission Package is the ideal upgrade for 2001–2002 6.6L LB7 Duramax owners looking to significantly improve reliability, towing performance, and power handling over stock. Designed as a performance street and towing solution, this 2WD transmission package strengthens key internal components while maintaining smooth drivability.
This Stage 3 package is engineered to eliminate common factory transmission failures by increasing clutch capacity, improving shift quality, and enhancing torque handling. Paired with the ATS Five Star torque converter, it delivers better power transfer and efficiency whether you're towing heavy loads or running increased horsepower.
Perfect for daily drivers, work trucks, and moderately modified Duramax builds, this transmission offers a substantial upgrade in durability and performance without sacrificing comfort.
FAQ
Q: What is the difference between Stage 3 and Stage 5?
A: Stage 3 is designed for moderate power levels and towing, while Stage 5 is built for extreme horsepower and competition use with more billet components.
Q: Is this transmission good for towing?
A: Yes, it is specifically designed to improve towing reliability and handle increased load demands over stock.
Q: Does this include a torque converter?
A: Yes, it includes the ATS Five Star torque converter for improved performance and efficiency.
Q: What power levels can this handle?
A: This transmission is ideal for trucks up to approximately 500–600 horsepower depending on setup.
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
- Designed for towing and performance applications
- Increased clutch capacity for improved durability
- Enhanced shift quality and transmission longevity
- ATS Five Star torque converter included
- Improved torque handling over stock transmission
- Ideal for daily driving, towing, and moderate horsepower builds
Specifications for ATS 309-832-4248
| Specification | Details |
|---|---|
| Part Number | 309-832-4248 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 3 |
| Drivetrain | 2WD |
| Engine Compatibility | 6.6L Duramax LB7 |
| Model Years | 2001 - 2002 |
| Horsepower Rating | Up to 600 HP |
| Torque Capacity | Significantly Increased 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 |
