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Speedo Driven Gear GM T10 Speedo Driven Gear GM T10 AC Delco gears Speedo driven gears for GM T10 transmissions. OEM AC Delco gears. Your choice of one gear, please specify: NEW! Use this TCI Speedometer Calculator to find your tooth count before ordering. Click the link! Driven Gear Teeth = Drive gear teeth x axle ratio x tire revs/mile 17 tooth purple dimension -1.75 x .305 x .810 18 tooth brown dimension -1.75 x .305 x .810 19 tooth white dimension -1.75 x .305 x .810 20 tooth blue dimension -1.75 x .305 x .810 21 tooth red dimension -1.75 x .305 x .810 22 tooth grey dimension -1.75 x .305 x .810 17-22T .810 diameter gears must be used with a 1.84 OD speedo drive gear. 22 tooth green dimension -1.75 x .305 x .870 23 tooth black dimension -1.75 x .305 x .870 24 tooth yellow dimension -1.75 x .305 x .87 22-24T .870 diameter gears must be used with a 1.76 OD speedo drive gear. Speedo Gear Chart Axle Ratio 6T 7T 8T -Drive Gears 2.73 - - 18 3.08 - 18 20 3.27 - 19 21 3.55 17 20 22 3.73 18 21 23 4.10 19 22 24 4.30 21 23 25 4.56 23 24 Calculated driven gears are based on normal 26" tires and the formula listed below:
AC Delco gears

Speedo Driven Gear GM T10

Code: 2987917
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$18.00
In Stock
Category: T10

Speedo driven gears for GM T10 transmissions. OEM AC Delco gears. Your choice of one gear, please specify:



NEW! Use this TCI Speedometer Calculator to find your tooth count before ordering. Click the link!



Driven Gear Teeth = Drive gear teeth x axle ratio x tire revs/mile

17 tooth purple dimension -1.75 x .305 x .810

18 tooth brown dimension -1.75 x .305 x .810

19 tooth white dimension -1.75 x .305 x .810

20 tooth blue dimension -1.75 x .305 x .810

21 tooth red dimension -1.75 x .305 x .810

22 tooth grey dimension -1.75 x .305 x .810

17-22T .810 diameter gears must be used with a 1.84 OD speedo drive gear.

22 tooth green dimension -1.75 x .305 x .870

23 tooth black dimension -1.75 x .305 x .870

24 tooth yellow dimension -1.75 x .305 x .87

22-24T .870 diameter gears must be used with a 1.76 OD speedo drive gear.



Speedo Gear Chart



Axle Ratio 6T 7T 8T -Drive Gears



2.73 - - 18



3.08 - 18 20



3.27 - 19 21



3.55 17 20 22



3.73 18 21 23



4.10 19 22 24



4.30 21 23 25



4.56 23 24



Calculated driven gears are based on normal 26" tires and the formula listed below:

Speedo driven gears for GM T10 transmissions. OEM AC Delco gears. Your choice of one gear, please specify:



NEW! Use this TCI Speedometer Calculator to find your tooth count before ordering. Click the link!



Driven Gear Teeth = Drive gear teeth x axle ratio x tire revs/mile

17 tooth purple dimension -1.75 x .305 x .810

18 tooth brown dimension -1.75 x .305 x .810

19 tooth white dimension -1.75 x .305 x .810

20 tooth blue dimension -1.75 x .305 x .810

21 tooth red dimension -1.75 x .305 x .810

22 tooth grey dimension -1.75 x .305 x .810

17-22T .810 diameter gears must be used with a 1.84 OD speedo drive gear.

22 tooth green dimension -1.75 x .305 x .870

23 tooth black dimension -1.75 x .305 x .870

24 tooth yellow dimension -1.75 x .305 x .87

22-24T .870 diameter gears must be used with a 1.76 OD speedo drive gear.



Speedo Gear Chart



Axle Ratio 6T 7T 8T -Drive Gears



2.73 - - 18



3.08 - 18 20



3.27 - 19 21



3.55 17 20 22



3.73 18 21 23



4.10 19 22 24



4.30 21 23 25



4.56 23 24



Calculated driven gears are based on normal 26" tires and the formula listed below: