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Note:  When using 918853 with the 916031A hub, seal pn#  973129 has to be used

ATI Performance Products 918853 - ATI DC017I-004

Super Damper® Harmonic Dampers      


 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines.

• Eliminates torsional crankshaft vibrations
• Exceeds SFI 18.1 specs
• Black zinc chromate finished
• Tunable, rebuildable, and extremely efficient at ALL RPM
• Laser engraved 360° timing marks

The ATI Serpentine Super Damper contains grooves for serpentine belts machined into the outer damper shell. The dampers come standard with 6 outer grooves for standard OEM drive systems. 8 & 10 grooves are available for supercharger or turbo applications. Serpentine dampers are available in a variety of diameters. Crank hubs may be fitted with a 6 groove serpentine pulley to drive external oil pumps or vehicle accessories.

 The Serpentine Series dampers fit all ATI GM-front crank hubs and can be adapted to many engine combinations providing maximum flexibility. These dampers are available in steel or lightweight hard-coated aluminum and come with laser engraved 360° timing marks. Exceeds SFI 18.1 specs.

The 918853 balancer is equipped with three threaded bolt holes and is designed to be used for ATI ProChargers on many GM vehicles. 98-02 LS1 F Body, 04-06 GTO and the ProCharger Transplant Kits are some of the vehicles this balancer is designed for. The ProCharger 8 & 10 rib crank pulleys bolt to the front of this balancer.

Note: Crank Pulley Is Not Included!