ATI Performance Products Damper - 7 - St - Chevy 454 - Ext Bal - W/blower

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