Product Description
The ATS 309-832-4308 Stage 3 Allison LCT1000 Transmission Package is a premium performance upgrade for 2006–2007 6.6L LLY, LBZ, and LMM Duramax trucks. Designed to significantly outperform the factory transmission, this package delivers enhanced durability, improved shift quality, and increased torque capacity for daily driving, towing, and moderate performance builds.
Built with upgraded clutch packs, improved valve body calibration, and reinforced internal components, this Stage 3 transmission is ideal for trucks running upgraded tuning, injectors, or light turbo upgrades. The included ATS Five Star torque converter ensures efficient power transfer and reduced slippage under load.
This transmission package offers a perfect balance between performance and reliability, making it an excellent choice for enthusiasts looking to eliminate common Allison weaknesses without stepping into extreme race-level builds.
FAQ
Q: What power level is the ATS Stage 3 transmission rated for?
A: Stage 3 transmissions are typically designed to handle moderate horsepower increases, making them ideal for tuned daily drivers and towing applications.
Q: Is this transmission suitable for towing?
A: Yes, it is built specifically to improve towing performance with better clutch holding capacity and reduced heat buildup.
Q: Does this include a torque converter?
A: Yes, the package includes the ATS Five Star torque converter for improved efficiency and durability.
Q: What upgrades are included over stock?
A: It includes upgraded clutches, valve body modifications, and improved internal components to increase strength and shift performance.
Fitment
- 2006 Chevrolet Silverado 2500HD/3500HD 6.6L LLY / LBZ Duramax (2WD)
- 2006 GMC Sierra 2500HD/3500HD 6.6L LLY / LBZ Duramax (2WD)
- 2007 Chevrolet Silverado 2500HD/3500HD 6.6L LBZ / LMM Duramax (2WD)
- 2007 GMC Sierra 2500HD/3500HD 6.6L LBZ / LMM Duramax (2WD)
Key Features
- Designed for moderate horsepower builds and towing
- Increased clutch capacity over stock
- Upgraded valve body for improved shift performance
- ATS Five Star torque converter included
- Improved durability and heat resistance
- Excellent balance of performance and daily drivability
Specifications for ATS 309-832-4308
| Specification | Details |
|---|---|
| Part Number | 309-832-4308 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 3 |
| Drivetrain | 2WD |
| Engine Compatibility | 6.6L Duramax LLY / LBZ / LMM |
| Model Years | 2006 - 2007 |
| Horsepower Rating | Up to ~600 HP |
| Torque Capacity | Significantly increased over stock |
| Shipping Weight | Approximately 350-400 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 |
