SCS Professional Series Quick Change Gear Set #15K 1341143 the new REV design has

the new REV design has no need for a frontal yoke

a bronze distributor gear must be installed in place of the original cast iron gear

Operates between 12- 28V

The holes are compatible to Penske M

SCS Professional Series Quick Change Gear Set #15K 1341143 the new REV design hasSCS 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