TCI Speedometer Gear Drive GM 40 Tooth Black 4122MEDBK 100 to 350 degrees

100 to 350 degrees

Tremec TKO-500 / 600 and T56

They cannot be used as OEM replacements

1965-1965 Bristol 408

TCI Speedometer Gear Drive GM 40 Tooth Black 4122MEDBK 100 to 350 degreesGM 200C 375B TH425 475 700R4 40 Tooth Speedo Drive Gear.. 40 Tooth GM Speedo Drive Gear. Speedometer gears include both the drive gear and the driven gear. The drive gear refers to the gear that is on a transmissions output shaft. The driven gear is located in a removable housing, usually in the tailhousing, of transmissions. Be aware that some transmissions will have different driven gear housings depending on the tooth count of the driven gear. TCI