ATI Super Damper Crank Pulley for B58 Supra GR
The ATI Super Damper harmonic crankshaft pulleys for B58 Supra GR are available in a stock replacement size and also a 21% underdriven version. ATI Super Dampers provide balanced dampening of torsional crankshaft vibrations through all RPM ranges and exceed SFI 18.1 Safety Certification for competition use.
Vehicle Fitment:
2020+ Toyota Supra GR
A90 A91 MKV MK5
Features:
• Dampens torsional crankshaft vibrations at all RPM levels
• Protects against engine harmonics
• Direct replacement for the OEM unit
• Laser-etched timing marks
• Black zinc chromate to prevent rust
• SFI 18.1 Safety Certification and are approved for competition use
Specs:
• Aluminum Shell
• Steel Hub
• Inertia Weight: 2.20 lbs, 3 ring
Vehicle Fitment:
2020+ Toyota Supra GR
A90 A91 MKV MK5
Features:
• Dampens torsional crankshaft vibrations at all RPM levels
• Protects against engine harmonics
• Direct replacement for the OEM unit
• Laser-etched timing marks
• Black zinc chromate to prevent rust
• SFI 18.1 Safety Certification and are approved for competition use
Specs:
• Aluminum Shell
• Steel Hub
• Inertia Weight: 2.20 lbs, 3 ring
| Fitment: | Part Number: | Diameter: | Weight (lbs): | Rings: |
| B58 Supra GR | 918573 | 7.074" | 6.1 | 3-Ring |
| B58 Supra GR 21% UD | 918351 | 7.074" | 6.1 | 3-Ring |
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