Product Description
The ATS 309-952-9392 Stage 5 66RFE Transmission Package is a top-tier performance upgrade designed for 2012-2018 Ram trucks equipped with the 5.7L or 6.4L HEMI engine and 2WD drivetrain. Engineered for extreme-duty applications, this Stage 5 package is built to handle significantly increased horsepower, heavy towing, and demanding work conditions while maintaining reliable and consistent performance.
This complete package includes an ATS-built Stage 5 66RFE automatic transmission, featuring upgraded clutch packs, billet internal components, and precision calibration for maximum torque capacity and durability. ATS addresses common 66RFE weaknesses by reinforcing key areas, improving hydraulic control, and optimizing shift performance.
Designed for serious performance and work applications, this transmission package delivers improved holding power, reduced slippage, and enhanced reliability under extreme stress. Whether you're towing heavy loads or running increased power levels, the ATS Stage 5 66RFE package provides the strength and confidence needed to get the job done.
FAQ
What does the ATS Stage 5 66RFE package include?
This package includes a fully built ATS Stage 5 66RFE transmission with upgraded internals designed for maximum strength and durability.
What makes the Stage 5 different from lower stages?
Stage 5 transmissions feature more advanced internal upgrades, higher torque capacity, and are built for extreme-duty applications compared to lower-stage options.
Is this transmission suitable for towing?
Yes. This package is designed specifically for heavy towing, hauling, and high-performance use.
What engines does this fit?
It is designed for 5.7L and 6.4L HEMI engines in 2012-2018 Ram trucks.
Do I need tuning with this transmission?
While not required, tuning may help maximize performance depending on your setup.
FITMENT
2012-2018 Ram 1500 5.7L HEMI Gas (2WD)
2012-2018 Ram 2500 5.7L HEMI Gas (2WD)
2012-2018 Ram 2500 / 3500 6.4L HEMI Gas (2WD)
Equipped with 66RFE Transmission
Specifications for ATS 309-952-9392
| Specification | Details |
|---|---|
| Part Number | 309-952-9392 |
| Product Name | ATS Stage 5 66RFE Transmission Package |
| Transmission Model | 66RFE Automatic |
| Engine Fitment | 5.7L / 6.4L HEMI Gas |
| Vehicle Fitment | 2012-2018 Ram 1500 / 2500 / 3500 |
| Drive Configuration | 2WD |
| Stage Level | Stage 5 |
| Included Components | Built Transmission Assembly |
| Performance Benefit | Maximum Torque Capacity, Improved Durability, Heavy-Duty Performance |
| UPC | Not Available |
| GTIN | Not Available |
| Shipping Information | Freight Shipping Required |
| Core Charge |
Core Charge Applies |
| Prop 65 | WARNING: Cancer and Reproductive Harm |