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TREMEC TR-4050 Conversion Kits for 2012-2018 Jeep JK

TREMEC TR-4050 2007-2018 JK Jeep

The toughest 4 letter word on wheels just raised the bar. Your trail rated 4x4 Jeep will know no boundries with the TREMEC TR-4050's super low 6.16 1st and 6.03 reverse. Meanwhile, the .76 overdrive will be very useful when you're on the highway headed to the next trail. The TREMEC TR-4050 will make sure even 10+ years later, you're still having fun out there.


When you convert to the TREMEC TR-4050 5-Speed, you will experience:


  • Low, rock crawling 1st gear (6.16) and reverse (6.03)
  • Excellent shift feel and performance
  • Crisp, precise shifts
  • Highway crusing with an overdriven gear (.76)


TREMEC TR-4050 Gear Ratios


6.16, 3.11, 1.71, 1.00, 0.76, and 6.03 Reverse


TREMEC TR-4050 Conversion Kit Components 


  1. TREMEC TR-4050TREMEC TR-4050 5 Speed Overdrive
    • 425 lb•ft torque capacity (based on 15,000+ lb GVWR)
    • High-contact, constant mesh, helical gears for maximum strength
    • Die-cast aluminum alloy housing saves weight while offering considerable rigidity
    • Standard right-hand, six-bolt PTO offers the ability to run hydraulic pumps
    • The multiple rail, internal shifter provides excellent shift feel and performance
    • Tapered bearing on input, main, and counter shafts provide excellent internal stability
    • Needle bearings under gears reduce friction and noise output
    • Fully synchronized
    • Advanced synchronizer technology promotes smoother shifting and reduced shift effort
    • 5th gear synchronizer mounted to the countershaft to improve NVH in overdrive
    • 3.67 qt oil capacity
  1. Pilot Bearing 
  2. Advanced Friction™ Flywheel
  3. Advanced Friction™ Clutch
  4. QuickDraw Bellhousing 
  5. Internal Hydraulic Slave Cylinder Kit 
  6. Rubber Transmission Mount
  7. Reverse Light Wiring Pigtail
  8. STX® Shifter 
  9. Shifter Handle 
  10. Classic 5-Speed Shifter Knob
  11. Hardware
  12. Fluid
  13. Factory Warranty - learn more


Click the 4WD Quick Quote button or call to get a detailed estimate.


4WD Quick Quote


Why buy from Silver Sport Transmissions?

  1. Fast Shipping
  2. Complete Kits
  3. Excellent Customer Service
    • Lifetime tech support
    • Knowledgeable staff
  4. Premium Components
    • Only SST has experienced and licensed engineers on staff. We know what fits, what works and how to install it.