ATI PERFORMANCE 6.780" DIAMETER, 10% UNDER DRIVE, WITH A/C PULLEY, LS3 Z-BODY CAMARO, Trailblazer SS 06-08 918629
ATI Super Damper harmonic balancers are patented and feature grooves for serpentine belts machined into the outer damper shell. The dampers come standard with 6 outer grooves for standard OEM drive systems, but 8 and 10 grooves are available for supercharger or turbo applications. Serpentine dampers are available in a variety of diameters and crank hubs may be fitted with a 6-groove serpentine pulley to drive external oil pumps or vehicle accessories. The Serpentine Series Super Dampers fit all ATI GM-front crank hubs and can be adapted to many engine combinations providing maximum flexibility. They are available in steel or lightweight, hardcoated aluminum.
Features and benefits:
* Eliminates torsional crankshaft vibrations * Exceeds SFI 18.1 specs * Black zinc chromate finished * Tunable, rebuildable, and extremely efficient at all rpms * Laser engraved 360 degree timing marks
Safety Rating:SFI 18.1
Degree Marking Range:360
Outside Diameter (in):6.780 in.
Harmonic Balancer Material:Aluminum/Steel
Harmonic Balancer Construction:Elastomer
Harmonic Balancer Finish:Black zinc chromate
Mounting Hardware Included:No
Notes:Ten percent underdriven damper with OEM-size air conditioner pulley. Weight is 4.5 lbs.