ATI Toyota Supra B58 Underdrive Super Damper

Part # 918351

*Picture is for example*

Designed and tuned to eliminate harmful crankshaft harmonics that
cause parasitic HP loss.

Features

• Fits Toyota Supra and BMW Z4 with B58
• Dampens torsional crankshaft vibrations at all RPM levels
• Protects against engine harmonics
• Direct replacement for the OEM unit
• Underdriven pulley belt drive 21% UD
  
• Laser-etched timing marks
• SFI 18.1 Certified for competition use

Specs

• 7.074" Aluminum Shell 
• Steel Hub, total weight 6.1 lbs
• Inertia Weight: 2.2 lbs, 3 ring