Harmonic Dampers by ATI Performance
The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. This inertia weight has eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application). This steel damper is size fitted to 7.074" OD.
Features
- Exceeds SFI 18.1 specs
- Black zinc chromate finished
- OEM equipment on ZZ572 GM Crate Engines
- Laser engraved 360° timing marks
Benefits
- Eliminates torsional crankshaft vibrations
- Tunable, rebuildable, and extremely efficient at ALL RPM
