Product Description
The ATS 309-954-9392 Stage 5 66RFE Transmission Package is a top-tier performance upgrade for 2012-2018 Ram 2500 and 3500 trucks equipped with the 5.7L or 6.4L HEMI gas engine and 4WD drivetrain. Designed for extreme-duty use, this Stage 5 package is built to handle high horsepower, heavy towing, and demanding work applications while delivering superior reliability and performance.
This complete package includes a fully built ATS Stage 5 66RFE transmission, featuring upgraded clutch packs, billet internal components, enhanced valve body calibration, and reinforced hard parts. ATS addresses the common weaknesses of the factory 66RFE by significantly increasing torque capacity, improving shift firmness, and enhancing overall durability.
Engineered for serious performance and work applications, the Stage 5 package is ideal for trucks with power upgrades, heavy towing demands, or commercial use where maximum transmission strength is required.
FAQ
What makes the ATS Stage 5 66RFE different from lower stages?
Stage 5 is designed for maximum performance and durability, featuring extensive internal upgrades including billet components and increased clutch capacity.
Is this transmission suitable for towing and heavy loads?
Yes. This package is specifically built for heavy towing, hauling, and high-stress applications.
Will this work with modified or tuned trucks?
Absolutely. The Stage 5 transmission is designed to handle increased horsepower and torque from performance upgrades.
Does this improve shift quality?
Yes. ATS recalibrates the valve body to provide firmer, more consistent shifts and improved transmission response.
Is this a direct replacement?
Yes, this transmission is designed as a direct replacement for factory 66RFE units in compatible vehicles.
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 309-954-9392
| Specification | Details |
|---|---|
| Part Number | 309-954-9392 |
| 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 2500 / 3500 |
| Drive Configuration | 4WD |
| Stage Level | Stage 5 |
| Included Components | Fully Built Transmission Assembly |
| Performance Benefit | Maximum Torque Capacity, Improved Shift Quality, Increased Durability |
| UPC | Not Available |
| GTIN | Not Available |
| Shipping Information | Freight Shipping Required |
| Core Charge | Core Charge Applies |
| Prop 65 | WARNING: Cancer and Reproductive Harm |
