ATI Chevy Big Block Super Damper - 917060

Chevy Super Damper application guide can be found here

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
- OEM equipment on ZZ572 GM Crate Engines
- Tunable, rebuildable, and extremely efficient at ALL RPM
- Laser engraved timing marks

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).

- Shell Material: Steel
- Hub Material: Steel with inner shell
- Inertia Weight: 4.5 lbs
- Diameter 7.074"
- Weight 11.5 lbs

Part # 917060

Please note: Most OEM cranks are held to /-.0002" while most aftermarket cranks are held to /-.0005." Hub bores are tight to accommodate aftermarket cranks and due to this honing may be required as part of the fitting process.