TCI Speedometer Driven Gear GM 35 Tooth Orange Cable Tie Mounting Base Extra material adjacent to block

Extra material adjacent to block mounting bolts to allow drilling and taping of up to 1/2" NPT holes for installing external coolant lines to the center of the engine (small block and big block Chevrolet short castings)

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Will work with E-85 and Diesel

Pocket Logger

TCI Speedometer Driven Gear GM 35 Tooth Orange Cable Tie Mounting Base Extra material adjacent to blockGM 200C 375B TH425 475 700R4 35 Tooth Speedo Drive Gear.. 35 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