SCS Professional Series Quick Change Gear Set #18 Tach Large Fillet Radii on All

Large Fillet Radii on All Journals

Exceptionally high dry boiling point

Big Block Series

of torque when used with #2171 intake and stock iron cylinder heads on a 400 engine

Tighten down your belts in comfort

SCS Professional Series Quick Change Gear Set #18 Tach Large Fillet Radii on AllSCS Professional Series Quick Change Gears are made from aircraft steel for maximum strength. Each gear has a shaved finish to minimize backlash and run out, and is broached for proper 10 spline shaft fit. The SCS Extra 5 step heat treating process yields maximum gear life for high stress applications such as big block Oswego Super Modifieds and World of Outlaws Sprint Cars. Gears have a black oxide finish, and the faces have been lightened to reduce