The aluminum shell has an outer diameter of 5.5 inches. It comes with 4 and 5 serpentine groves and a bolt on power steering pulley.
The ATI Super Damper is the only damper designed exclusively for high performance engines that are rebuildable and tunable. Extensive dyno and on track testing by ATI has proven the Super Damper far superior to all other designs time and time again.
Safety Rating:SFI 18.1
Degree Marking Range:360
Outside Diameter (in):5.500 in.
Harmonic Balancer Material:Aluminum
Harmonic Balancer Construction:Elastomer
Harmonic Balancer Finish:Black zinc chromate
Mounting Hardware Included:No
Notes:2.750 in. bolt circle pulley mount. Aluminum 3-ring shell weight is 3.60 lbs.
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).