The patented ATI Super Damper is the only damper designed exclusively for high performance engines: Eliminates torsional crankshaft vibrations Exceeds SFI 18.1 specs Laser engraved timing marks Black zinc chromate finish ATI has designed a 5.5 damper for the Nissan SR20DET for high horsepower street & race use. This new design is a direct replacement for the stock OEM damper. The heart of this unit is the tried and true damper within a damper design that has put ATI ahead of the rest. Specs: Total Weight: 3.6lbs. 3 Ring Design for A/C, PS, Main Belts. Damper is not underdriven. Needs to be rebalanced every 10 years for street cars over 400hp.
Power steering pulley is 11% UD.
ATI Super Damper - SR20 - RWD Street 4 & 5 Rib w/ PS Pulley
The patented ATI Super Damper is the only damper designed exclusively for high performance 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
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).