TCI GM Speedometer Gear Housing, 7/8" diameter for 18-23 tooth gears BR20025 Aluminum heat sink design produces

Aluminum heat sink design produces high heat transfer

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

track barrier systems

Boost Controller

12 mm 12 Point Head

TCI GM Speedometer Gear Housing, 7/8" diameter for 18-23 tooth gears BR20025 Aluminum heat sink design producesPowerglide 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