1989-1991/1998.5-2002 Cummins 5.9L ATI Super Damper Harmonic Balancer (917365)

1989-1991/1998.5-2002 Cummins 5.9L ATI Super Damper Harmonic Balancer (917365) ATI Super Damper diesel harmonic balancers are designed with absolute precision in mind and are one of the highest quality harmonic balancers purpose-built for Cummins, Duramax, and Power Stroke diesel engines. These dampers eliminate torsional vibration at the crankcase to significantly reduce wear on your engine, as well as allow power to come on much quicker and smoother to balance out the engine. ATI Super Damper diesel harmonic balancers are tunable, serviceable, and SFI-approved!