11 Rib 9% Overdrive SFI 18.1 8.77″ OD Harmonic Balancer for GM 2019 ZRL LT5 6.2L Corvette Supercar. This damper is fully engraved for setting timing accurately.
Features an all aluminum case design for light weight, stress-proof steel hub and 1050 steel inertia rings for durability. Wet clutch friction design style with precision machined harmonic dampening for street and race engines.
- Diameter: 8.770″
- Overdrive: 9%
- Weight: 9.8 lbs
- Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.