SCS Professional Series Quick Change Gear Set #4K Fire Retardant Underwear 244/252 Duration

244/252 Duration

3-1/2 in Black Tips

Aluminum Mounting Rings

Induction hardening is used to improve tooth life of gears and sprockets as well as pre-work hardening gears and sprockets before they are installed onto engines

4 Inflate Actuators / 4 Deflate Actuators

SCS Professional Series Quick Change Gear Set #4K Fire Retardant Underwear 244/252 DurationSCS 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