Shop online for 45RFE/ 545RFE Dodge Transmissions and Parts from PATC. We offer many performance / heavy duty automatic transmission parts the others don’t sell. The Ram 45 transmission comes with the high performance Sonnax Line Pressure Booster, Transgo Shift Kit, Second Clutch Red Eagle Power Pack. This Power Pack adds one extra clutch for a 50% increase in holding power plus better clutch material and Kolene steels, Forth Clutch Red Eagle Power Pack. This Power Pack adds one extra clutch for a 33% increase in holding power plus better clutch material and Kolene steels. Overdrive and Underdrive Red Eagle Power Packs are installed. Alto Red Eagle heavy duty clutch material on the other clutches, 11 5/8″ heavy duty / performance torque converter (#45T) with a carbon fiber clutch, all bearing construction and furnace brazed fins. You can order stall speeds up to 3400 RPM. The newly developed Sonnax Line Pressure Booster makes it possible to override the factory pressure settings on a permanent basis. This is something that couldn’t be done before now. Plus you can upgrade to a deep cast aluminum pan with fins that holds over 3 extra quarts of transmission fluid.