45RFE / 545RFE Stage 2 Transmission – 650HP HD Performance Build
Heavy-Duty Performance & Towing • Built to Order
No Core Charge • 1 Year Warranty (See Terms)
This 45RFE / 545RFE Stage 2 transmission is built for higher horsepower, towing, and aggressive use where a basic or mid-level build will not provide long-term durability.
Designed to handle increased power, heat, and load, this unit bridges the gap between standard performance builds and full extreme-duty systems.
PERFORMANCE RATING
- Up to 650 Horsepower
- Up to 650 Torque
- Heavy towing and performance applications
- Ideal for cammed and modified vehicles
BUILD FEATURES
- Increased clutch capacity with upgraded friction materials
- Heavy-duty clutch steels for improved durability
- Valve body modified and updated for improved shift performance
- Sonnax line pressure upgrades for stronger clutch apply
- Targeted Sonnax valve body corrections to address wear points
- TransGo HD shift kit for improved shift timing and durability
- Thermal bypass correction to reduce operating temperatures
- Updated internal electronics and solenoid system
- Inspected and reconditioned pump assembly
- New bushings, seals, and dual filter system
- Overdrive circuit reinforcement for improved reliability under load
TORQUE CONVERTER INCLUDED
- HD Billet Cover Torque Converter Included
- Designed to prevent ballooning under load
- Improved lock-up strength and reduced slip
- Matched to your application for proper drivability
WHY STAGE 2?
- Greater holding capacity than standard performance builds
- Improved durability under towing and load conditions
- Enhanced heat control for extended transmission life
- Designed for real-world use, not just stock replacement
FITMENT & APPLICATION
This listing covers 45RFE and 545RFE transmissions.
These units share the same core design. The difference is primarily in programming, which controls the additional overdrive gear.
- 2001–2011 Jeep Grand Cherokee (4.7L / 5.7L)
- 2003–2011 Dodge Ram (3.7L / 4.7L / 5.7L)
- 2003–2011 Dodge Durango & Dakota
- 2005–2011 Dodge Power Wagon
- 2006–2010 Jeep Commander
- 2007–2010 Jeep Wrangler
Please provide Year / Make / Model / Engine / 2WD or 4WD before ordering to confirm compatibility.
CORE CHARGE
No core charge required for this unit.
WARRANTY
1 Year Limited Warranty (Defects Only)
Due to the performance nature of this build, warranty coverage applies to manufacturer defects only. Tuning, misuse, or extreme operating conditions are not covered.
SHIPPING INFORMATION
- Flat-rate freight shipping to commercial address or LTL terminal
- Residential delivery available for an additional $100
- All transmissions ship via insured freight carriers
INTERNATIONAL SHIPPING
- Shipped via air freight to nearest international airport
- Buyer responsible for customs, duties, and import fees
- Final delivery or pickup arranged by buyer
It is the buyer’s responsibility to confirm import requirements prior to purchase.
Any special requirements must be communicated before shipment. Once shipped, all responsibility transfers to the buyer.
BUILT TO HANDLE POWER AND LOAD
Heavy Duty • Reliable • Ready to Work
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