ATI Performance Products Damper - 5.5 - Al - 6 Grv - Ls1 F Body 25% Ud W/10% Ud Ac Pulley
Super Damper Harmonic Dampers
The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines.
Features
- 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.
Specifications:
- Outside Diameter: 5.670 in.(25% UD)
- Shell Material: Aluminum
- Engine Balance: Internal
- Degree Marking Range: 360
- Safety Rating: SFI 18.1
- Grooves: 6
- Hub Material: Steel