Product Description
The ATS 309-824-4272 Stage 2 Allison LCT1000 Transmission Package is a reliable performance upgrade for 2003–early 2004 6.6L LB7 Duramax trucks equipped with 4WD. Designed to handle increased power over stock while maintaining daily drivability, this transmission package strengthens key internal components and improves shift performance for towing and light performance applications.
This Stage 2 package is ideal for trucks with mild to moderate upgrades, delivering increased torque capacity, better clutch holding power, and improved transmission longevity. The included ATS Five Star torque converter enhances efficiency and responsiveness, making it a perfect solution for work trucks and street-driven builds.
If you're looking to eliminate common factory transmission issues while gaining dependable performance, the ATS Stage 2 Allison LCT1000 is a proven upgrade built for durability and consistency.
FAQ
Q: What power level is the ATS Stage 2 transmission designed for?
A: It is ideal for stock to moderately modified trucks, typically supporting up to approximately 500-600 horsepower.
Q: Is this transmission suitable for towing?
A: Yes, it is an excellent choice for towing applications with improved clutch holding capacity and durability over stock.
Q: Does this package include a torque converter?
A: Yes, it includes the ATS Five Star torque converter for improved torque multiplication and efficiency.
Q: What makes Stage 2 different from higher stages?
A: Stage 2 focuses on reliability and moderate performance, while higher stages include billet shafts and components for extreme horsepower applications.
Fitment
- 2003 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax (4WD)
- 2003 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax (4WD)
- Early 2004 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax (4WD)
- Early 2004 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax (4WD)
Key Features
- Designed for up to 600HP applications
- Increased clutch capacity over stock
- Improved shift quality and durability
- ATS Five Star torque converter included
- Enhanced valve body calibration
- Ideal for towing and daily driving
- Built for long-term reliability
Specifications for ATS 309-824-4272
| Specification | Details |
|---|---|
| Part Number | 309-824-4272 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 2 |
| Drivetrain | 4WD |
| Engine Compatibility | 6.6L Duramax LB7 |
| Model Years | 2003 - Early 2004 |
| Horsepower Rating | Up to 600 HP |
| Torque Capacity | 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 |
