Description
#54RA2, GM / Dodge Ratio Adapter, Select the Speed Up Rate for your specific application.
If your truck tires have been switched to larger tires or you just need to speed up your speedometer this ratio adapter will correct your problem.
This speedometer ratio adapter will speed up your speedometer reading.
Use +61% to convert MPH to Kilometers.
These adapters go to the transmission or transfer case only. Not behind the speedometer cluster itself.
Includes the 4 piece Small Parts Kit.
Speed Up Percentage indicator number:
| 11% Speed up | AA 1.1111 |
| 20% Speed up | AA 1.2020 |
| 28% Speed up | AA 1.2844 |
| 38% Speed up | AA 1.3846 |
| 44% Speed up | AA 1.4400 |
| 50% Speed up | AA 1.5000 |
| 61% Speed up | AA 1.6154 |
| 78% Speed up | AA 1.7778 |
| 100% Speed up | AA 2.0000 |
If you need assistance with figuring out which percentage you need, please call us with these speed readings:
| When your GPS shows: | What your Speedometer displays: |
| 40 mph | ?? |
| 50 mph | ?? |
| 60 mph | ?? |
Please be sure to give us these readings in this EXACT order (40,50,60) to prevent receiving the incorrect percentage.
For information, please call 888.201.2066 or send an email to jim@transmissioncenter.net
For Slow Down Ratio Adapters, click HERE!
Click HERE for the Main Speedometer Gear page!
