ATI Super Damper Serpentine Series Harmonic Balancer - 4th Gen Ram 1500/2500/Durango V8-5.7L '09-18

by ATI

Product #: 918454

ATI Super Damper harmonic balancers are patented and feature grooves for serpentine belts machined into the outer damper shell. The dampers come standard with 6 outer grooves for standard OEM drive systems, but 8 and 10 grooves are available for supercharger or turbo applications. Serpentine dampers are available in a variety of diameters and crank hubs may be fitted with a 6-groove serpentine pulley to drive external oil pumps or vehicle accessories. The Serpentine Series Super Dampers fit all ATI GM-front crank hubs and can be adapted to many engine combinations providing maximum flexibility. They are available in steel or lightweight, hardcoated aluminum. 

Features and benefits:

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


    • Damper has a 15% underdrive
    • Comes with 6 groove 5.306" OD serpentine pulley #916217



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