New IW 18% overdrive balancer with optional super duty blower hub for 2015-19 supercharged Corvette Z06 with LT4 engines , part number 771SD
SFI 18.1 9.50″ OD Harmonic Balancer for GM 2015 Z06 C7 Corvette. 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.
The Super Duty Blower Hub option is a thicker hub that provides greater resistance to hub cracking under high power supercharged applications (750 rwhp and greater). This option includes a new custom made timing cover seal to adapt the oversized hub to a stock timing cover.
- Diameter: 9.5″
- Overdrive: 18%
- Weight: 9.2 lbs
Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.