TCI Speedo Driven Gear GM 21Teeth Red H764C35XXL small block ford

small block ford

- (Sport Comp

Master Racing Kit available under 749000 and 749001

TPMS Options

Black Anodize Finish

TCI Speedo Driven Gear GM 21Teeth Red H764C35XXL small block fordGM Powerglide 200C 375B 475 21 Tooth Speedo Drive Gear.. 21 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