Product Description
Heavy Duty Allison Performance with ATS Stage 2 Upgrades
The ATS 309-987-4308 LCT1000 6-Speed Stage 2 Package is a complete performance transmission solution designed for 2006-2007 GM 2WD trucks equipped with the 8.1L gas engine. Built to handle increased torque, towing demands, and daily driving stress, this ATS package transforms your Allison transmission into a stronger, more reliable unit.
ATS Stage 2 packages are engineered with upgraded internal components to improve clutch holding capacity, increase durability, and deliver more consistent shift performance. Whether you're hauling heavy loads or simply want improved transmission longevity, this package provides a major step up from stock.
This package is ideal for work trucks, towing applications, and performance builds where the factory transmission may fall short under load.
Key Features:
- Complete Stage 2 performance transmission package
- Designed for Allison LCT1000 6-speed transmissions
- Increased clutch holding capacity and durability
- Improved shift quality and transmission response
- Ideal for towing, work trucks, and performance applications
- Built and engineered by ATS Diesel Performance
FAQ
What is included in a Stage 2 package?
ATS Stage 2 packages typically include upgraded internal transmission components designed to improve durability, clutch holding power, and overall performance.
Is this a complete transmission?
Yes, this is a fully built performance transmission package, not just a rebuild kit.
Is this good for towing?
Absolutely. This transmission is designed specifically to handle increased load and towing demands.
Will this fit diesel trucks?
No, this specific version is designed for 8.1L gas engine applications. Diesel applications require a different configuration.
Fitment:
- 2006-2007 Chevrolet Silverado 2500HD / 3500 2WD
- 2006-2007 GMC Sierra 2500HD / 3500 2WD
- 8.1L Gas Engine (Vortec)
- Allison LCT1000 6-Speed Automatic Transmission
Note: This unit is for 2WD applications only. Verify fitment before purchase.
Specifications for ATS 309-987-4308
| ATS 309-987-4308 Product Specifications | |
|---|---|
| Part Number | 309-987-4308 |
| Brand | ATS Diesel Performance |
| Product Type | Complete Performance Transmission Package |
| Transmission Type | Allison LCT1000 6-Speed |
| Drive Type | 2WD |
| Engine Compatibility | 8.1L Gas (Vortec) |
| Vehicle Fitment | 2006-2007 Silverado / Sierra 2500HD & 3500 |
| UPC | N/A |
| GTIN | N/A |
| Core Charge | Yes, refundable core charge applies |
| California Prop 65 | WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov |
| Warranty | 5-Year / 500,000 Mile Limited |
