TCI GM Driven Speedometer Gear, 18-tooth Brown TCI880000 Belts also to avoid cutting the

also to avoid cutting the finned top

and Chrysler engines with the adapter/shaft thread sizes listed below

100" Diameter style J

LS Gen 3 LS1/LS2/LS6 engines Features: The Holley GM LS1/LS2/LS6 2x4V dual-plane was designed in the tradition of the great dual Holley 4160 induction systems that competed on drag strips

Gears are machined to close tolerances to ensure proper engine pressure and correct

TCI GM Driven Speedometer Gear, 18-tooth Brown TCI880000 Belts also to avoid cutting theTCI GM Driven Speedometer Gear, 18 tooth BrownFits Powerglide & TH350 TCI880000 I880000 GM Driven Speedometer Gear, 18 tooth brown. Reference GM part number 3987918. Measures 2. 25" x . 305" x . 785".