78% Speed up Speedometer Ratio Adapter for Dodge / GM applications AA17778

$ 149.00

Description

78% Speed up Ratio Adapter for Dodge / GM applications, AA17778

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 increase your speedometer reading by 78%.

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 Ratio Adapter AA 1.7778
100% Speed up AA 2.0000

 


If you need assistance with figuring out which percentage you need, feel free to 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, call 888.201.2066 or send an email to jim@transmissioncenter.net


For more Speed up Ratio Adapters, click HERE!

Click HERE for the Main Speedometer Gear page!

 

 

Additional information

Weight 1 lbs
Dimensions 6 × 6 × 5 in
Speed up rate

Speed up 78%

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