45RFE / 545RFE Stage 1 Performance Transmission – 450 HP Rated
Torque Converter Included • Built to Order
3-Year Warranty / Unlimited Mileage (See Warranty Terms)
This 45RFE / 545RFE Stage 1 Performance Transmission is engineered for improved durability,
better shift control, and dependable torque handling in Dodge, Jeep, and Chrysler applications.
Rated for up to 450 horsepower, this build incorporates proven updates and internal upgrades
to correct common OEM weaknesses and support higher-output street and towing use.
All listed transmission components are brand new unless otherwise stated.
INCLUDED COMPONENTS
- Torque Converter Included – Matched for street, towing, and daily-driven applications.
- All New Internal Electronics – New internal components for reliable control.
- New Bushings
- New Filter
- All Industry Updates Installed
CLUTCHES, STEELS & INTERNAL CAPACITY
- High-Performance Friction Pack – Premium high-energy friction material for improved holding power and heat resistance.
- Twisted™ HD Steels – Strengthened wear characteristics and improved durability under load.
PUMP & VALVE BODY – UPDATED THE TWISTED™ WAY
-
Pump – Modified & Updated the Twisted™ Way
- Updated circuits for improved pressure stability under load
- Corrected known OEM weaknesses
- Improved lubrication and converter charge control
-
Valve Body – Modified & Updated the Twisted™ Way
- Cleaner, more consistent shifts
- Improved clutch apply control
- Reduced cross-leaks and improved longevity
SHIFT CONTROL & PRESSURE UPGRADES
- Shift Kit (TransGo or Similar Quality) – Improves shift control and reliability.
- Updated Line Booster (Sonnax or Similar Quality) – Enhances line pressure stability for increased holding power.
PERFORMANCE RATING
Rated for up to 450 HP (application dependent)
Built for higher-output street performance, towing, and aggressive daily use.
For sustained racing or extreme abuse, a higher-tier build may be recommended.
APPLICATION FITMENT
Please specify Year / Make / Model to ensure correct application.
- 2001–2011 Jeep Grand Cherokee (4.7L, 4.7L H.O., 5.7L Hemi)
- 2002–2007 Jeep Liberty (Diesel applications)
- 2003–2011 Dodge Ram (3.7L, 4.7L, 5.7L Hemi)
- 2005–2011 Dodge Power Wagon
- 2003–2011 Dodge Dakota (4.7L)
- 2003–2011 Dodge Durango (4.7L, 5.7L)
- 2006–2010 Jeep Commander (4.7L, 5.7L Hemi)
- 2007–2010 Jeep Wrangler
We custom build each transmission for the customer’s application using high-quality components.
Each unit is extensively updated for durability and performance and passes a series of inspections and tests prior to shipment.
Technical assistance available : 727-868-9462
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