Description
ATI Serpentine Super Damper GM LS9 ZR1 Corvette Harmonic Balancer 11 & 6 Rib 918634
* Non-removeable A/C Pulley – OEM Diameter
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
Applications:
- LS9 ZR1 Corvette
Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight. This inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application).The dampers come with six outer grooves for standard OEM drive systems—but eight and 10 grooves are available for supercharger or turbo applications.









