ATI 917060 Big Block Chevy Super Damper BBC 7.074" OD 18.1 SFI Internal Steel

Description

ATI 917060 Big Block Chevy Super Damper BBC 7.074" OD 18.1 SFI Internal Steel
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 360° 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).
Engine Balance:
Internal
Safety Rating:
SFI 18.1
Degree Markings:
Yes
Degree Marking Range:
360
Outside Diameter (in):
7.074 in.
Harmonic Balancer Material:
Steel
Harmonic Balancer Construction:
Elastomer
Harmonic Balancer Finish:
Black zinc chromate
Mounting Hardware Included:
No
Quantity:
Sold individually.
Notes:
3-ring design. 1.500 in. wide.