TCI GM Driven Speedometer Gear, 20-tooth blue 31004 Can be upgraded to digital

Can be upgraded to digital readout

1964-1968 Chevrolet El Camino

Pre-Terminated flying leads makes installing new wires a breeze

090 in Coil Bind

Cool Tape is a ultra light weight heat reflective solution for wrapping wires

TCI GM Driven Speedometer Gear, 20-tooth blue 31004 Can be upgraded to digitalGM 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