S54 Performance Harmonic Damper Kit (E46 M3)

Specifications:

• High-performance OEM replacement metal jacket harmonic damper
  
  • Compatible with original belts.
  • Suitable for high-performance street applications (rated to 800hp)
• Proprietary process bonding metal to natural rubber. 
• Dynamically balanced. 
• 360 degree timing marks along with TDC relief indicator. 
• The kit includes:
  • Crankshaft dual pulley
  • 4x new Genuine BMW bolts (one time use)