Product Description
The ATS 309-824-4308 Stage 2 Allison LCT1000 Transmission Package is a high-performance upgrade designed for 2006–2007 6.6L Duramax LLY, LBZ, and LMM trucks equipped with 4WD. Built to eliminate factory transmission weaknesses, this package delivers increased torque capacity, improved shift quality, and enhanced durability for towing and daily driving applications.
Perfect for mildly modified trucks, the Stage 2 package provides a significant upgrade over stock with reinforced internals and improved clutch holding capacity. Whether you're towing heavy loads or adding power upgrades, this transmission ensures reliable performance and longer service life.
This package is engineered for durability and drivability, making it an ideal solution for work trucks, towing setups, and daily-driven performance builds.
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 clutch capacity without the extreme upgrades found in higher-stage race transmissions.
Q: Is this transmission good for towing?
A: Yes, it is an excellent choice for towing applications, providing better clutch engagement and reduced slippage compared to stock.
Q: Does this include a torque converter?
A: Yes, this package includes an upgraded ATS torque converter designed for improved efficiency and performance.
Q: What horsepower can this handle?
A: Stage 2 transmissions are ideal for stock to moderately upgraded trucks typically in the 450–600 HP range.
Fitment
- 2006 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax LLY LBZ (4WD)
- 2006 GMC Sierra 2500HD/3500HD 6.6L Duramax LLY LBZ (4WD)
- 2007 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax LBZ LMM (4WD)
- 2007 GMC Sierra 2500HD/3500HD 6.6L Duramax LBZ LMM (4WD)
Key Features
- Designed for 450–600HP applications
- Increased clutch capacity over stock
- Improved shift quality and durability
- Upgraded ATS torque converter included
- Enhanced holding power for towing and daily use
- Built for reliability in work and performance trucks
Specifications for ATS 309-824-4308
| Specification | Details |
|---|---|
| Part Number | 309-824-4308 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 2 |
| Drivetrain | 4WD |
| Engine Compatibility | 6.6L Duramax LLY / LBZ / LMM |
| Model Years | 2006 - 2007 |
| Horsepower Rating | 450 - 600 HP |
| Use Case | Towing, Daily Driving, Mild Performance |
| Shipping Weight | Approximately 350 - 400 lbs |
| Shipping Method | Freight (Core Charge Applies) |
| Warranty | Limited Warranty |
| California Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
