TCI Chrysler Speedometer Gears

Product images may differ from actual product appearance.

The following formula will work for any GM, Ford or Chrysler vehicle and is very useful when there is no established baseline from which to work from such as replacing a transmission in a vehicle that was purchased without a drive line.

# Drive Teeth x Axle Ratio x Tire Rev. per Mile
1001 = # Driven Teeth

Use the following formula to calculate the Tire Rev. per Mile for the above formula.

Tire Rev. per Mile = 20168
Tire Diameter (inches)

Driven Gears

890-881999

Driven Gear

25-Tooth

0.940'' Ø, Style A

3.07 Axle Ratio

25-31 Housing Position

$19.99

890-882000

Driven Gear

26-Tooth

1.175'' Ø, Style A

3.07 Axle Ratio

25-31 Housing Position

$23.99

890-882002

Driven Gear

27-Tooth

1.175'' Ø, Style A

3.07 Axle Ratio

25-31 Housing Position

$19.99

890-882003

Driven Gear

28-Tooth

1.175'' Ø, Style A

3.07 Axle Ratio

25-31 Housing Position

$22.99

890-882004

Driven Gear

29-Tooth

1.175'' Ø, Style A

3.21, 3.23, 3.54, 3.55 Axle Ratio

25-31 Housing Position

$19.99

890-882005

Driven Gear

30-Tooth

1.175'' Ø, Style A

3.21, 3.23, 3.54, 3.55 Axle Ratio

25-31 Housing Position

$19.99

890-882006

Driven Gear

31-Tooth

1.175'' Ø, Style A

3.21, 3.23, 3.54, 3.55 Axle Ratio

25-31 Housing Position

$22.99

890-882007

Driven Gear

33-Tooth

1.425'' Ø, Style B

3.54, 3.55, 3.90 Axle Ratio

32-38 Housing Position

$26.99

890-882008

Driven Gear

34-Tooth

1.425'' Ø, Style B

3.54, 3.55, 3.90,4.10 Axle Ratio

32-38 Housing Position

$21.99