GM 2006-2013 LS7 Corvette w/Crank Bolt 12-Rib Drive - 10% Overdrive

LSX 12-Rib Harmonic Balancer for LS7 Corvette - 10% Overdrive

Part# 8501
Only $600.00
SFI 18.1 Harmonic Damper for GM 2006-2013 LS7 Corvette w/Crank Bolt. Features 12-Rib drive & 10% Overdrive Pulley. Designed for use with ATI Procharger supercharger drive system.


  • Dual Keyway Option - Add $20.00
    Add dual keyways for Supercharged or Extreme Duty Applications. Requires double keyed crankshaft snout.


  • Diameter: N/A
  • Weight: N/A
  • Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.