Since 1979, SCS Gearbox, Inc. has been engineering and manufacturing reliable quick change gears and drivetrain components for nearly every corner of motorsports, from monster trucks to circle track. What began with building gears for tractor pulling has grown into a trusted source for specialized performance products built to win. SCS continues to take pride in delivering consistent quality and performance, constantly refining its lineup to meet the demands of competitive racing. Count on Behrent’s Performance Warehouse for SCS gear sets, including 6- and 10-spline options, in sizes to fit your setup.