Fits: 2011 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LML Duramax Diesel 

ATI Super Damper diesel harmonic balancers are designed with absolute precision in mind. They are one of the highest quality harmonic balancers purpose-built for Duramax 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 18.1 approved

Install Instructions