ATI 918573 Super Damper for 2020-2023 Toyota GR Supra/BMW Z4 B58

Vehicle Fitment

• 2020-2023 Toyota GR Supra (A90/A91 MKV) 3.0L I6 B58
• 2019-2023 BMW Z4 (G29) 3.0L I6 B58

Features

• Reduces torsional crankshaft vibrations across all RPM ranges
• Direct replacement for OEM units (Toyota Part #13470-WAA04 & BMW Part #11238650741)
• Available in stock size (918573) and 21% underdrive (918351) configurations
• Laser-etched 360° timing marks for precise tuning
• Black zinc chromate finish to prevent rust and corrosion
• Constructed with an aluminum shell and steel hub for durability
• Inertia weight: 2.20 lbs, 3-ring design
• SFI 18.1 certified for competition use

Specifications

• Diameter: 7.074 inches
• Material: Aluminum shell with steel hub
• Drive Configuration: 6-rib belt drive
• Weight: 6.1 lbs
• Inertia Weight: 2.20 lbs, 3-ring
• Finish: Black zinc chromate
• Certification: SFI 18.1

Included Components

• 1x ATI Super Damper (Part #918573 or 918351)

Product Description

The ATI Super Damper (Part #918573) is engineered to enhance the performance and longevity of the 2020-2023 Toyota GR Supra and 2019-2023 BMW Z4 equipped with the B58 3.0L I6 engine. This harmonic balancer effectively reduces torsional crankshaft vibrations across all RPM ranges, safeguarding the engine against harmful harmonics.

Designed as a direct replacement for OEM units, the ATI Super Damper is available in both stock size and 21% underdrive configurations, allowing enthusiasts to choose the optimal setup for their performance needs. The damper features laser-etched 360° timing marks for precise tuning adjustments and is finished with a black zinc chromate coating to prevent rust and corrosion.

Constructed with an aluminum shell and steel hub, the ATI Super Damper boasts an inertia weight of 2.20 lbs with a 3-ring design. It is SFI 18.1 certified, making it suitable for competitive motorsport applications. Whether you're seeking enhanced engine protection for daily driving or preparing for high-performance racing, the ATI Super Damper provides the reliability and durability required for demanding driving conditions.