ATI Performance Products Damper - 7 - St - Chevy 400 Sb - Ext Bal
ATI Performance Products Damper - 7 - St - Chevy 400 Sb - Ext Bal
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Read the shipping policySuper Damper Harmonic Dampers
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).
Specifications:
- Outside Diameter: 7.074 in.
- Total Weight: 11.5 lbs
- Inertia Weight: 4.5 lbs
- Shell Material: Steel
- Engine Balance: External
- Degree Marking Range: 360
- Safety Rating: SFI 18.1
- Rings: 3
