ATI Performance Products ATI916974 Super Damper Harmonic Balancer

The ATI Performance Products ATI916974 Super Damper is a high-performance harmonic balancer engineered to eliminate destructive torsional crankshaft vibrations in demanding race and street applications. Part of ATI's patented Super Damper lineup, this unit is built to a higher standard than OEM balancers and is designed exclusively for high-RPM performance engines.

Key Features:

• Patented elastomer O-ring damping design — computer-machined grooves retain proper-durometer O-rings, dyno-tested for each application
• Steel inertia weight contained within inner and outer shells for controlled, reliable vibration absorption
• Exceeds SFI 18.1 specifications for sanctioned racing use
• Laser-engraved 360-degree timing marks for precise ignition timing reference
• Black zinc chromate finish for corrosion resistance and long service life
• O-rings are rebuildable — units can be serviced by installing new O-rings
• Eliminates the need for a separate crank-mounted blower pulley (supercharger-series applications)

ATI Super Dampers are trusted OEM equipment on several professional racing series and are a proven upgrade for high-performance street and strip builds. Whether the goal is maximum horsepower protection or reliable daily driving, the ATI916974 delivers superior crankshaft protection over stock harmonic balancers.