Description
If you’re running a 1990-2000 FLHR Road King and tired of highway RPMs eating into fuel economy, the JIMS Fat 5 5-Speed Overdrive Super Kit delivers real-world efficiency gains through a proven .886:1 overdrive ratio. This transmission upgrade bolts into your stock case without requiring a complete rebuild, making it a practical solution for riders who want taller gearing without sacrificing the strength of lower gears. The compact shifter design actually widens each gear’s contact surface—improving load distribution and durability where it counts.
- .886:1 overdrive 5th
- Chrome trap door design
- Bolt-on installation method
- Fits stock transmission cases
- Gear width: 18-53% increase
- Compact shifter technology
- USA manufactured
- MPN: 8273
- Fits 1990-2000 FLHR
- Exhaust bracket mod may apply
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