ATI Super Damper 917030 Harmonic Balancer Chevy small block Gen I

Super 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

Tunable, rebuildable, and extremely efficient at ALL RPM

Laser engraved 360° timing marks

The ATI Serpentine Super Damper contains grooves for serpentine belts machined into the outer damper shell. The dampers come standard with 6 outer grooves for standard OEM drive systems. 8 & 10 grooves are available for supercharger or turbo applications. Serpentine dampers are available in a variety of diameters. Crank hubs may be fitted with a 6 groove serpentine pulley to drive external oil pumps or vehicle accessories.

The Serpentine Series dampers fit all ATI GM-front crank hubs and can be adapted to many engine combinations providing maximum flexibility. These dampers are available in steel or lightweight hard-coated aluminum and come with laser engraved 360° timing marks. Exceeds SFI 18.1 specs.