The patented ATI Super Damper is the only damper designed exclusively for high performance engines. 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 and is dyno tested for each application.

Features:

• 3.90 lbs
• Eliminates torsional crankshaft vibrations
• Exceeds SFI 18.1 specs
• Black zinc chromate finished
• Tunable, rebuildable, and extremely efficient at ALL RPM
• Laser engraved 360 degree timing marks

• Nissan Skyline R30 L24|L28 1981-1985