https://fmic.ae/190459-ati-super-damper-918351-harmonic-balancer-toyota-gr-supra-b58-usa-ati-918351.html

Toyota GR Supra B58 Super Dampers

ATI's Super Damper for Toyota GR Supra BMW B58 engines

Dampens torsional crankshaft vibrations at all RPM levels

Protects against engine harmonics

Direct replacement for the OEM unit

Available with 21% Underdrive pulley shell (918351)

Laser-etched timing marks

SFI 18.1 Certified for competition use

Specs

Shell Material: 7.074" Aluminum, 6-rib

Hub Material: Steel with inner shell 916501, bore 1.577"

Inertia Weight: 2.20 lbs, 3 ring

Fits the following applications

• Toyota Supra ('20)

• BMW Z8 ('19)