GM LSX Damper Installation Instructions [PDF Format].
Damper Hub Honing Instructions [PDF Format].
LS9 2009 Corvette 11-Rib – 10% Overdrive #870
SFI 18.1 Harmonic Damper for GM 2009 ZR1 (LS9) Corvette – w/ Crank Bolt. 11 Rib & 10% Overdrive Pulley.
- Diameter: 8.150″
- Weight: 11.4 lbs
- Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.
3 in stock (can be backordered)