TCI GM Speedometer Gear Housing, 7/8" diameter for 18-23 tooth gears BR20025 diesel "pullers" and RV "pushers"

diesel "pullers" and RV "pushers" to every class of racing on dirt or asphalt

12 mm 12 Point Head

The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU's self-learning capability to continually adjust the calibration to get maximum performance

Boost Controller

Backpressure is decreased to increase flow

TCI GM Speedometer Gear Housing, 7/8" diameter for 18-23 tooth gears BR20025 diesel "pullers" and RV "pushers"Powerglide TH350 Driven Gear Housing.. Driven Gear Housing for Powerglide TH350 with 18 23 Tooth Count Speedo 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