ATI 918598 Super Damper Harmonic Crank Pulley for R33 and R34 RB26DETT. This truely balanced crank pulley was made to eliminate torsional crankshaft vibrations caused by abnormal wear. It is a direct replacement for the OEM crank pulley. Made to exceed SFI 18.1 Specs with laser engraved timing marks. The ATI Super Damper is also coated with black zinc chromate to prevent rust and reduce wear.
- 5.5" OD
- 3 Ring
- 3.60 lbs Total Weight
- 2.27 lbs Inertia Weight
- up to 500 hp
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1991 - 1998 | Nissan | 240SX | LE |
| 1989 - 1998 | Nissan | 240SX | SE, Base |
| 1989 - 1990 | Nissan | 240SX | XE |