Product Description
The ATS 309-934-9392 Stage 3 66RFE Transmission Package is a top-tier performance upgrade designed for 2012-2018 Ram 2500 and 3500 trucks equipped with the 5.7L or 6.4L HEMI gas engine and 4WD drivetrain. Engineered to handle increased horsepower, towing demands, and extreme-duty use, this Stage 3 package delivers maximum durability, improved shift performance, and superior torque capacity over stock transmissions.
This complete ATS package includes a fully built Stage 3 66RFE automatic transmission, upgraded clutch packs, billet internal components, and a performance torque converter. ATS addresses known weaknesses in the factory 66RFE by improving hydraulic control, increasing line pressure, and reinforcing internal hard parts to withstand higher loads and aggressive driving conditions.
Ideal for heavy towing, work trucks, and high-performance builds, the ATS Stage 3 package provides enhanced reliability, reduced slippage, and consistent shift quality under load. Whether you're pushing added power or demanding more from your truck, this transmission package is built to perform.
FAQ
What is included in the ATS 309-934-9392 package?
This package includes an ATS Stage 3 built 66RFE transmission and a performance torque converter with upgraded internal components.
What makes the Stage 3 transmission different?
Stage 3 includes upgraded clutch packs, billet internals, and enhanced hydraulic control to handle higher horsepower and extreme-duty applications.
Is this transmission good for towing?
Yes. It is specifically designed for heavy towing, hauling, and high-load applications.
Will this work with a stock truck?
Yes. It works with stock and modified trucks, but is especially beneficial for vehicles with added power.
Why upgrade the 66RFE transmission?
The factory 66RFE has known limitations under heavy load. ATS upgrades improve strength, shift consistency, and long-term reliability.
FITMENT
2012-2018 Ram 2500 5.7L HEMI Gas 4WD
2012-2018 Ram 2500 6.4L HEMI Gas 4WD
2012-2018 Ram 3500 5.7L HEMI Gas 4WD
2012-2018 Ram 3500 6.4L HEMI Gas 4WD
Equipped with 66RFE Transmission
Specifications for ATS 309-934-9392
| Specification | Details |
|---|---|
| Part Number | 309-934-9392 |
| Product Name | ATS Stage 3 66RFE Transmission Package |
| Transmission Model | 66RFE Automatic |
| Engine Fitment | 5.7L / 6.4L HEMI Gas |
| Vehicle Fitment | 2012-2018 Ram 2500 / 3500 |
| Drive Configuration | 4WD |
| Included Components | Stage 3 Built Transmission, Performance Torque Converter |
| Performance Level | Stage 3 (Heavy Duty / High Performance) |
| UPC | Not Available |
| GTIN | Not Available |
| Shipping Information | Freight Shipping Required |
| Core Charge | Core Charge Applies |
| Prop 65 | WARNING: Cancer and Reproductive Harm |
