TCI Speedo Driven Gear GM 21Teeth Red 35453SMLBK Dual Lines

Dual Lines

most all racers are using the new style coil-over springs that have fewer coils

Spiral Core Race Wire Sets

7/16-20 in Left Hand Thread

TCI Speedo Driven Gear GM 21Teeth Red 35453SMLBK Dual LinesGM 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