Product Description
The ATS 309-852-4362 Stage 5 Allison LCT1000 Transmission Package is the ultimate high-performance transmission solution for 2011-2016 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with the 6.6L LML Duramax diesel engine and 2WD drivetrain. Built for extreme horsepower, heavy towing, and competition-level performance, this Stage 5 package is engineered to handle the most demanding diesel applications.
This complete ATS package includes a fully built Allison LCT1000 transmission, ATS Five Star torque converter, and ATS deep transmission pan. ATS upgrades the Allison platform with billet input, intermediate, and output shafts, upgraded clutch packs, and reinforced internal components to dramatically increase torque capacity and durability.
The included ATS Five Star torque converter improves torque multiplication, reduces slippage, and enhances throttle response, while the deep transmission pan increases fluid capacity and cooling efficiency. Together, these components deliver superior performance, reliability, and longevity under extreme operating conditions.
Designed for high-horsepower builds, sled pulling, drag racing, and heavy-duty towing, the ATS Stage 5 Allison package is the top-tier solution for Duramax owners pushing their trucks to the limit.
FAQ
What does the ATS Stage 5 Allison package include?
This package includes a fully built Stage 5 Allison LCT1000 transmission, ATS Five Star torque converter, and ATS deep transmission pan.
What makes the Stage 5 transmission different?
Stage 5 units include billet shafts, upgraded clutch packs, and reinforced internals designed for extreme horsepower and torque applications.
Is this transmission good for towing?
Yes. It is built for heavy towing, hauling, and high-stress environments, making it ideal for both work and performance use.
Is this suitable for high horsepower trucks?
Absolutely. Stage 5 is ATS’s top-tier build level, designed for high-performance and competition-level trucks.
Will this fit my truck?
This package fits 2011-2016 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks with the 6.6L LML Duramax diesel engine and 2WD configuration.
FITMENT
2011-2016 Chevrolet Silverado 2500HD 6.6L LML Duramax Diesel (2WD)
2011-2016 Chevrolet Silverado 3500HD 6.6L LML Duramax Diesel (2WD)
2011-2016 GMC Sierra 2500HD 6.6L LML Duramax Diesel (2WD)
2011-2016 GMC Sierra 3500HD 6.6L LML Duramax Diesel (2WD)
Specifications for ATS 309-852-4362
| Specification | Details |
|---|---|
| Part Number | 309-852-4362 |
| Product Name | ATS Stage 5 Allison LCT1000 Transmission Package |
| Transmission Model | Allison LCT1000 Automatic |
| Engine Fitment | 6.6L LML Duramax Diesel |
| Vehicle Fitment | 2011-2016 Chevy Silverado / GMC Sierra 2500HD/3500HD |
| Drive Configuration | 2WD |
| Included Components | Stage 5 Built Transmission, Five Star Torque Converter, Deep Transmission Pan |
| Internal Upgrades | Billet Shafts, Upgraded Clutches, Reinforced Internals |
| Performance Level | Stage 5 – Extreme Duty / High Horsepower |
| UPC | Not Available |
| GTIN | Not Available |
| Shipping Information | Freight Shipping Required |
| Core Charge | Core Charge Applies |
| Prop 65 | WARNING: Cancer and Reproductive Harm |
