TCI GM Driven Speedometer Gear, 20-tooth blue Momentary Switch The circuits are updated with

The circuits are updated with efficient components that help the ignition produce more power while drawing less current

Extra thick - 1/4"

The directional rotor tip is designed to handle large amounts of retard in high voltage applications

Bolstered dowel pin holes

TCI GM Driven Speedometer Gear, 20-tooth blue Momentary Switch The circuits are updated withGM Powerglide 200C 375B 475 20 Tooth Speedo Drive Gear.. 20 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