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Performance Transmissions and Parts |
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| www.TransmissionCenter.net | ||
| Parts Toll Free 1-888-2012066 | ||
| Transmissions Toll Free 1-888-2012066 |
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Speedometer Gears 1-888-8771008, 6:30 to 5:00 CST, M to F |
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Speedometer World
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Worlds Largest Selection of Rear Wheel Drive American Speedometer Gears. #1 in Sales. |
| Buying Speedometer Gears Just Got Easier. |
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We Ship Worldwide. The USPS postage is cheap on small speedometer gears. |
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Before calling try to have tire
height, rear end ratio and drive gear tooth count if possible.
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| Back to Transmission Price List, Click Here |
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2WD - 700R4 Speedometer Gears (also fits non-Chevy TH350)
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The above and below 700R4 parts also fit non-Chevy TH350 transmissions.
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Speedometer Calculator, Click Here
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| 15 Tooth | 17 Tooth | 18 Tooth | 19 Tooth |
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Ford Ratio Adapter
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| #40 "90 DEGREE, DIRECT or CONTINUOUS ROTATION". Sticks out 1 1/2 inches past the housing. 7/8 X 18 Thread and .104 internal square on all ends. In stock now. Cost $88.00
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#41 "90 DEGREE, REVERSING or OPPOSITE ROTATION". Sticks out 1 5/8 inches past the housing. Cost $88.00
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| #42 "90 DEGREE, DIRECT or CONTINUOUS ROTATION" with built-in ratio adapter. Sticks out 1 5/8 inches past the housing. 7/8 X 18 Thread. Cost $88.00 |
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Other ratios available on special order, allow 4 to 6 weeks. No refunds on special orders.
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Cost $6.00, Key, Large Truck, Fits .172" Receiver |
Cost $5.00, Nut, 7/8" X 18 Thread |
Cost $5.00, Finger Nut, 7/8" X 18 Thread |
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Please call on other speedometer cables not listed. Many types in stock, too many to list here.
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Fits 700R4 / 4L60E and Electronic T-5 Transmissions
#55. Driven gears for gear driven electronic speedometers, 34 to 45 tooth (no 34, 35, 36, 38, 39, 40, 41, 42, 43, 45). Use with #54X drive gear above. Cost $11.00.
| 34 to 39 Teeth | 40 to 45 Teeth |
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Speedometer Calculator, Click Here #55X. Speed sensor for above 34 to 39 tooth driven gear. (Black) $89.00 #55XX. Speed sensor for above 40 to 45 tooth driven gear. (White) $69.00
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Electronic Ratio Adapter (ERA) Now You Have the Solution to Your Speedometer Problems..... For 700R4, 4L60E and others with electronic speedometers. |
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#69. Any change in a vehicle's tire size or rear axle ratio will cause the speedometer reading to be inaccurate. The Electronic Ratio Adapter (ERA) is designed to correct this problem. With the ERA, you simply hook up four wires, set the DIP switches according to the calibration table included with your order, and you are ready to go.
What does the Electronic Ratio Adapter do?
The automotive industry has a great variety of part sizes, types, shapes and descriptions, but regardless of make, model or year, a few things are standard. One of those standards has been the number of revolutions a speedometer cable will make for each mile traveled. Nowadays, electronic pulses have replaced the rotating cable, but the same principle applies. The Pulse Ratio (the number of pulses per mile traveled) remains the same, regardless of speed, since the same distance is traveled and the same number of pulses have occurred each mile no matter what the speed was during that mile.
However, this Pulse Ratio can be made to vary from the true when modifications are made which change the number of electronic pulses per mile on a particular vehicle. This is most commonly caused by changing the tire size (increasing the outside diameter of the tires will cause the tire to travel further before making a complete revolution), but other modifications could have the same result. When the Pulse Ratio is thrown off, the speedometer/odometer will be inaccurate and corrections must be made.
This relative difference between true speed and the speed indicated on the speedometer is called the Variance Ratio, and it is corrected using the Electronic Ratio Adapter. Cost $169.00
Wiring Diagram of Electronic
Ratio Adapter:
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SPECIAL ORDER ONLY
#SW41 - Fits 700R4 / 1993 - 1997 4L60E transmissions. Converts your transmission to standard GM manual speedometer and VSS all in the same tail housing. Kit uses all new GM speedometer parts and VSS sensor. Comes with all parts and instructions to complete the job. The transmission mount on the tail comes in three different styles. We need the vehicles rear axle gear ratio and tire diameter when ordering. Cost: $549.00
#SW42 - Fits 1998-2004 4L60E & 4L65E transmissions. Uses all new GM parts including speed sensor and comes complete with instructions. The mount on the tail sits back 2 1/2 inches from the stock location. We need the vehicles rear axle gear ratio and tire diameter when ordering. Cost: $589.00
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Most cars with low rear end ratios will take a 10 tooth drive gear. The drive gear is part of the governor assembly which is located inside the oil pan. The gear can be replaced separately by removing the retainer clip on the governor shaft.
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Drive Gears |
Driven Gears |
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10 teeth - green |
27 teeth - black |
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11 teeth - orange |
28 teeth - yellow |
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12 teeth - red |
29 teeth - green |
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13 teeth - white |
30 teeth - blue |
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31 teeth - white |

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With 10 Tooth Drive Gear |
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| Axle Ratio | Tire Height | Driven Gear Teeth |
| 4.10 | 26 | 31 will work, but will read about 2 MPH fast at 50 MPH. |
| 4.10 | 27 | 31 |
| 4.10 | 28 | 30 |
| 4.10 | 29 | 29 |
| 3.73 | 26 | 29 |
| 3.73 | 27 | 28 |
| 3.73 | 28 | 27 |
| With 11 Tooth Drive Gear | ||
| Axle Ratio | Tire Height | Driven Gear Teeth |
| 3.73 | 27 | 31 |
| 3.73 | 28 | 30 |
| 3.42 | 26 | 29 |
| 3.42 | 27 | 28 |
| 3.42 | 28 | 27 |
| With 12 Tooth Drive Gear | ||
| Axle Ratio | Tire Height | Driven Gear Teeth |
| 3.23 | 26 | 30 |
| 3.23 | 27 | 29 |
| 3.23 | 28 | 28 |
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#55R. 200-4R O-Ring. Cost $2.00 |
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Call on availability of good used 200-4R steel shaft driven gears. Cost $16.00
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Speedometer Calculator, Click Here
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TH350 5/16" Drive Gear Clip. Cost $3.50 |
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Chevy TH350 Speedo O-Ring. Cost $1.50 |
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| 7 Tooth | 8 Tooth | 9 Tooth | 10 Tooth |
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#68. Install a mechanical tachograph or operate a mechanical speedometer on a vehicle equipped with an electronic speedometer signal (sensor). You can do it -- quickly and easily -- at a cost far below that of buying and installing drive gears in the transmission. You save on the cost of buying and installing electronic tachographs and speedometers.
Cable X lets you use popular, low cost mechanical tachographs such as Abbott, Argo, Sangamo, Servis Recorder and Veeder-Root, and mechanical speedometers such as Autometer, Clark Brothers, Datcon, Stewart Warner and Teleflex. It operates at accurate speeds -plus or minus 2%- on the most common OEM electronic speed signals, and is as easy to install as any electronic tachograph.
You save hours of downtime installing gears into the transmission, and you don't have to mess with troublesome, expensive and long cables. Cost $369.00
The following is the price for a Cable X requiring a Ford "snap-on" fitting: $399.00. Available for a Jeep call 1-888-8771008.
This chart is accurate for tire size, not actual tire measurement. The actual measurement will be less.

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Dodge / Jeep Speedometer Gears
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Dodge / Jeep 2WD / 4WD Speedometer Gears 26 and 27 Tooth Short Shaft Now Available
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| We can make custom Dodge / | |||||
| Jeep driven gears. Call Kerry at | |||||
| 1-888-8771008 with your needs. |
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At this time we only have 33 and 35 short, and 26, 27, 28, 29, 30, 33 long.
We can make custom Dodge / Jeep driven gears. Call Jim at 1-888-8771008 with your needs. |
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Used Dodge 21 to 25 Tooth Housing and 25 Tooth Gear. Cost $50.00 each
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#12-OR. Dodge / Chrysler Speedometer Housing O-Ring. Cost $3.95 |
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Ford Automatic Transmission Gears
Speedometer Gear Calculator, Click Here
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16 Tooth to 21 Tooth
23 Tooth
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Call on AXOD and AXODE Speedometer Gears, 1-888-8771008.
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#9PT. Ford Speed Sensor Pigtail. Cost $15.00 |
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Please call on other speedometer cables not listed.
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Ford 3 / 4 / 5 Speed Standard & Transfer Case Drive Gear
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Ford Standard and Transfer Case Driven Gears
The below gears may not fit all 1962 to 1970 four speed transmissions.
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Speedometer Calculator, Click Here
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Ford
/ Chrysler / VDO Odometer Replacement Gears ![]()
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Tip: On Fords with side by side odometer and trip meters it will take two sets of the above gears. |
| Caution, there are exceptions to this rule. Will not fit Ford Ranger or Explorer. |
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Tip: On Fords with stacked odometer and trip meters it will take one each of the two below gears. |
| Caution, there are exceptions to this rule. |
Ford Odometer Gears
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Chevy / GM Odometer Gear #GM24. Fits Chevy / GM mid-80s up, 24 tooth. Cost $23.00 |
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Saturn
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VW Super Beetle
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#70. 4L60E / 700R4 early type speed sensor (VSS). Cost $43.00 #70X. 4L60E / 700R4 speed sensor rotor ring (reluctor). Cost $12.00
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#70SS. Most GM 1987 up transfer case speed sensor. Cost $146.00 |
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Speedometer Calculator, Click Here
#68-2. Metal drive gears, 14 and 15 Tooth Cost $32.00
#68-3. Housing for 34 through 39 tooth gear. (OUT OF STOCK) Cost $56.00. (Also fits 208 transfer case.)
#68-3U. Good Used Housing for 34 through 39 tooth gear. (OUT OF STOCK) Cost $17.00. (Also fits 208 transfer case.) #68-4U. Good Used Housing for 40 through 45 tooth gear. (OUT OF STOCK) Cost $17.00. (Also fits 208 transfer case.)
194.00 for both. Speed sensor $135.00. Rotor $59.00
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TH400 Speedometer Housing Retainer. Cost $7.00 |
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GM T5 Gears
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Ford T5 Gear
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These are OEM made in the USA speedometer cables. Call 1-888-8771008 on Cables not Listed
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Part # |
Description |
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4090 |
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| 4100 |
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4020 |
63” 5/8 nut on top / 7/8 nut on bottom. Cost $39.00 |
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4030 |
83” 5/8 nut on top / 7/8 nut on bottom. Cost $39.00 |
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4120 |
20” cable extension, 7/8 top female / 7/8 bottom nut. Cost $29.00 |
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4080 |
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4270 |
83” Ford 5/8 nut on top / Housing on bottom. Cost $45.00 |
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4150 |
76” Ford push on top / Housing on bottom. Cost $45.00 |
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4260 |
60” Ford 5/8 nut on top / Housing on bottom. Cost $45.00 |
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4870 |
80” Mopar White clip on top / 7/8 nut on bottom. Cost $39.00 |
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4360 |
80” Mopar truck push on top / 7/8 nut on bottom. Cost $29.00 |
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4190 |
72” Ford push on top / push on bottom. Cost $39.00 |
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4040 |
100” 5/8 nut on top / 7/8 nut on bottom. Cost $39.00 |
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3200 |
20” extension, 5/8 nut on top / 7/8 nut on bottom. Cost $29.00 |
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| 4245 |
68" Ford Speedometer Cable, Push-on Top with 5/8" GM Transmission Bottom and Pulse Signal for Cruise, GPS or EFI. Works in a Ford truck with Cummins engine and Dodge transmission. (Add #4120 for 88 inch cable.) Cost 107.00 |
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| 6800 |
Ford 68 Inch Speedometer Cable. Snap on top with 7/8 inch threads at the bottom. This is the correct cable for the early Mustang Drag Pac (Drag Pack). This custom made cable is made to be used with a Ford ratio adapter or GM transmission such as a TH400 behind a Ford motor. Cost $45.00 |
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| 7200 |
Ford custom built 71 inch AOD speedometer cable that plugs in at the bottom and has a 5/8" threaded nut that screws on the top. For Ford EFI conversions. Use with #9SS 8 pulse speed sensor above. Cost $45.00 |
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173 Inch Cable Repair Kit. This inner cable will fit any speedometer cable housing up to 170 inches long, cut to fit. Cost $23.00
#CA108. Super Heavy Duty 108 inches long speedometer cable with .150" drive wire. Fits trucks, 18 wheelers and others. Will replace smaller OEM cables. Outer housing size .415". Square tip sizes .104" and .150". Tang sizes .153", .189" and .203. All fittings are snap in on the transmission side. Top side is .104" square drive with 5/8" threads. 7/8" threads on the bottom side. Cost $59.00. Other lengths available on special order from 18" to 300" at a different cost, allow about four weeks on special orders. Call Jim at 1-888-8771008.
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Older Ford Left Hand Standard Driven Gears
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#80LF. This is a 16 tooth left hand driven gear for a manual transmission. This gear is 1.459 inches long and measures .773 of an inch across the gear teeth. Used on 1964 to 1973 Toploaders with speedometer hole on passenger side. Cost $22.00 |
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Performance Automotive and Transmission Center |
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Speedometer Calibration Center |
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Toll Free 1-888-8771008 CONTACT |
Back to Transmission Price List, Click Here
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If you make or sell a speedometer gear that you would like to see listed here call Don at 1-318-7427754.
Count speedometer drive gear teeth
from the end, click here.