DAMPER - 7 - ST - CHEVY 454 - EXT BAL - W/BLOWER
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:
- Applications: GM Supercharged Dampers
- Engine: Bb Blower, 3/16” & 1/4” Keyways 180° Apart - External Balance
- Outer Diameter: 7.425"
- AVG Weight (w/out Hub): 8.75 LBS
- Inertia Weight: 4.50 LBS
- Shell Materials: Steel