ATI PERFORMANCE #917276 SBC 6.750 Harmonic Damper - SFI
SBC 6.750'' HARMONIC DAMPER-SFI
Contains 40 durometer rubber. Not for full race engines.
Belt #s: A/C 4040390, and Accessories 4060775
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.
|Truck Freight Only||NO|
|Warnings||These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm|