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Speedometer Gears

A MUST HAVE IF YOU HAVE OVER-SIZED TIRES OR BIGGER GEARS!

When you change tire size or axle gear ratio’s your original speedometer gear will not register the same MPH as it did with the stock gears and tires. To correct this you will need to change the speedometer transfer case gear to the correct tooth count to obtain the proper MPH reading on your Speedometer. Use the Tire and Gear Ratio Chart to determine which Tooth Gear you will need to correct your speedometer reading.

Fits these Vehicles with NP231 Transfer Case except Rubicon
.
93-01 Jeep Cherokee (XJ)
93-98 Jeep Grand Cherokee (ZJ)
97-06 Jeep Wrangler (TJ)
93-95 Jeep Wrangler (YJ)
04-06 Jeep Wrangler Unlimited (TJ)

Gears are easy and quick to install in the transfer case tail housing, FREE O-ring for a leak free installation

1993-2006 Short Shaft Speedometer Gear Chart

Tire Size / Gear Ratio

44 ”
tir e

42 ”
tire

40 ”
tir e

38 ”
tire

36”
tire

35 ”
tire

34”
tire

33”
tire

32”
tire

31 ”
tir e

30”
tire

29”
tire

28”
tire

27”
tire

5.38

34

36

38

 

 

 

 

 

 

 

 

 

 

 

5.13

32

34

36

38

 

 

 

 

 

 

 

 

 

 

4.88

 

32

34

36

38

39

 

 

 

 

 

 

 

 

4.56

 

 

32

34

36

 

38

39

 

 

 

 

 

 

4.10

 

 

 

 

32

 

34

35

36

 

38

39

 

 

3.73

 

 

 

 

 

 

 

 

32

 

34

35

36

 

3.55

 

 

 

 

 

 

 

 

 

32

 

34

35

36

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