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Mustang Speedometer Gear & Speed Correction

Mustang Speedometer gears need to be replaced from time to time, especially when you change to a different rear end gear. Help to get your speedometer back on track with our easy to follow speedometer gear listings.
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Universal
ELECTRONIC SPEEDOMETER RECALIBRATOR, MANUAL TRANSMISSION
Any change in a vehicle's tire size or rear axle ratio will cause the speedometer (and odometer) reading to be inaccurate. The Electronic Ratio Adapter (ERA) is designed to correct this problem. It receives the current speedometer signal fr...
Item # AEI-ERA
$144.99
 
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Mustang
79-86 MUSTANG SPEEDOMETER CABLE
This reproduction Mustang Speedometer Cable is a direct replacement for your 79-80-81-82-83-84-85-86 Mustang 2.3L & 5.0L without cuise control as well as 84-85-86 Mustang SVO. Our Speedometer Cable includes the firewall grommet & the clamp...
Item # LRS-17260A
$14.99
 
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Mustang
79-93 MUSTANG SPEEDOMETER CABLE
This Mustang Speedometer Cable is a direct replacement for your original. It fits the following Mustangs: 79-80-81-82-83-84-85-86 Mustang 2.3L & 5.0L with cruise control 87-88-89-90-91-92-93 Mustang 2.3L & 5.0L with EFI & with or wit...
Item # LRS-17260B
$17.99
 
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Mustang
83-95 SPEEDOMETER DRIVEN GEAR & CLIP KIT, 19 TOOTH. MANUAL TRANSMISSION
Use this chart to determine which speedometer gear your Mustang needs.
Item # LRS-17271A-K
This item is a kit
$9.99
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Mustang
83-95 SPEEDOMETER DRIVEN GEAR & CLIP KIT, 20 TOOTH. MANUAL TRANSMISSION
Use this chart to determine which speedometer gear your Mustang needs.
Item # LRS-17271B-K
This item is a kit
$9.99
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Mustang
83-95 SPEEDOMETER DRIVEN GEAR & CLIP KIT, 21 TOOTH. MANUAL TRANSMISSION
Use this chart to determine which speedometer gear your Mustang needs. In order to keep your speedometer functioning correctly the proper speedometer gear should be installed after changing the ring and pinion ratio. Transmission drive g...
Item # LRS-17271C-K
This item is a kit
$9.99
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Mustang
83-95 SPEEDOMETER DRIVEN GEAR & CLIP KIT, 23 TOOTH, MANUAL TRANSMISSION
Use this chart to determine which speedometer gear your Mustang needs. In order to keep your speedometer functioning correctly the proper speedometer gear should be installed after changing the ring and pinion ratio. Transmission drive g...
Item # LRS-17271D-K
This item is a kit
$9.99
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Mustang
83-95 SPEEDOMETER DRIVEN GEAR & CLIP KIT, 19 TOOTH. AUTOMATIC TRANSMISSION
Use this chart to determine which speedometer gear your Mustang needs.
Item # LRS-17271E-K
This item is a kit
$9.99
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Mustang
83-95 SPEEDOMETER DRIVEN GEAR & CLIP KIT, 20 TOOTH. AUTOMATIC TRANSMISSION
Use this chart to determine which speedometer gear your Mustang needs.
Item # LRS-17271F-K
This item is a kit
$9.99
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Mustang
83-95 SPEEDOMETER DRIVEN GEAR & CLIP KIT, 21 TOOTH. AUTOMATIC TRANSMISSION
Use this chart to determine which speedometer gear your Mustang needs.
Item # LRS-17271G-K
This item is a kit
$9.99
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Mustang
83-95 SPEEDOMETER DRIVEN GEAR & CLIP KIT, 18 TOOTH. MANUAL TRANSMISSION
Use this chart to determine which speedometer gear your Mustang needs.
Item # LRS-17271H-K
This item is a kit
$9.99
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Mustang
83-95 SPEEDOMETER DRIVEN GEAR & CLIP KIT, 17 TOOTH. MANUAL TRANSMISSION
Use this chart to determine which speedometer gear your Mustang needs.
Item # LRS-17271I-K
This item is a kit
$9.99
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Mustang
83-95 SPEEDOMETER DRIVEN GEAR & CLIP KIT, 23 TOOTH, AUTOMATIC TRANSMISSION
Use this chart to determine which speedometer gear your Mustang needs. In order to keep your speedometer functioning correctly the proper speedometer gear should be installed after changing the ring and pinion ratio. Transmission drive g...
Item # LRS-17271J-K
This item is a kit
$9.99
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Mustang
79-98 6 TOOTH SPEEDOMETER DRIVE GEAR FOR T5
Located inside of transmission on tailshaft. Allows for correction of gear ratios higher (numerically) than 3.73’s. These fit SROD 4 speed and T5 5 speed standard transmissions only.
Item # LRS-17285A
$11.99
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Mustang
83-95 SPEEDOMETER GEAR KIT, T5 WITH 4.10 REAR GEARS
This kit contains a 6 tooth drive gear with retaining clip and a 19 tooth driven gear with retaining clip. This is the most accurate gear combination for a T5 car equipped with 4.10 gears.
Item # LRS-17285A-K
This item is a kit
$24.99
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Mustang
83-98 7 TOOTH SPEEDOMETER DRIVE GEAR FOR T5
Located inside of transmission on tailshaft. Fits SROD 4 speed and T5 5 speed standard transmissions only. Direct replacement for 83-89 factory gear.
Item # LRS-17285B
$11.99
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Mustang
83-95 SPEEDOMETER GEAR KIT, T5 WITH 4.30 REAR GEARS
This kit contains a 6 tooth drive gear with retaining clip and a 20 tooth driven gear with retaining clip. This is the most accurate gear combination for a T5 car equipped with 4.30 gears.
Item # LRS-17285B-K
This item is a kit
$24.99
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Mustang
83-95 SPEEDOMETER GEAR KIT, T5 WITH 3.73 REAR GEARS
This kit contains a 7 tooth drive gear with retaining clip and a 21 tooth driven gear with retaining clip. This is the most accurate gear combination for a T5 car equipped with 3.73 gears.
Item # LRS-17285C-K
This item is a kit
$24.99
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Mustang
79-98 SPEEDOMETER DRIVEN GEAR CLIP
We recommend replacing the clip when installing a new speedometer driven gear.
Item # LRS-17292
$1.99
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Mustang
83-04 SPEEDOMETER DRIVE GEAR RETAINING CLIP
Item # LRS-17336A
$5.99
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Mustang
94-98 SPEED SENSOR
94-98 Speed Sensor - by Ford
This is the electronic speed sensor that your speedometer gear attaches to.
Item # LRS-9731A
$34.99
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Mustang
83-93 SPEED SENSOR
83-93 Speed Sensor - by Ford
This is the sensor that tells the PCM the speed of the transmission output shaft. Your speedometer gear attaches to this.
Item # LRS-9731B
$35.99
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Mustang
96-04 MUSTANG SPEEDOMETER RECALIBRATOR, MANUAL TRANSMISSION ONLY
The Speed Calibrator is used to correct electronic speedometers in 1996-04 Mustangs due to wheel and tire changes as well as rear gear ratio swaps. Includes all necessary hardware and installation instructions! Fits 5-Speed cars only. Also...
Item # LRS-SPDCAL2
This item is a featured product This item is one of our top sellers
$99.99
 
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Ford
05-10 MUSTANG SPEED CHANGER
05-10 Mustang Speed Changer - by Ford Racing
-Fits 2005-2010 Mustang GT, Automatic or Manual Transmission and 2007-2010 SVT Mustang -Corrects speedometer, transmissionshift points and other speed related errors affected by gear ratio changes or tire size changes -Easy to install 4-wir...
Item # M4209ADPT2005A
$174.99
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Ford
94-04, SPEED CHANGER, MUSTANG
-Fits 94-04 Mustang GT, Automatic or Manual transmission -Corrects speedometer, transmission shift points, and other speed related errors affected by gear ratio or tire size changes -Easy-to-install 4-wire hook-up -Provides stable signal co...
Item # M4209ADPT9404A
$174.99
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