TCI 2.100" Diameter Speedometer Gear Housing 40-45 Tooth Gears - 2004-R/700R4/TH350 CS-SCAN-ADPT 1979-1985 GMC C1500

1979-1985 GMC C1500

Upgrades factory end links to heavy duty

1992-1992 Oldsmobile Custom Cruiser

2002-2005 Workhorse FasTrack FT1601

TCI 2.100" Diameter Speedometer Gear Housing 40-45 Tooth Gears - 2004-R/700R4/TH350 CS-SCAN-ADPT 1979-1985 GMC C1500TH250 TH350 700R4 BOP Driven Gear Housing.. Driven Gear Housing for TH250 350 700R4 BOP with a 40 45 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