Shelby GT500 5.4L/5.8L Harmonic Balancer 15% Overdrive #828


SFI 18.1 Harmonic Damper for Ford Shelby GT500 5.4L/5.8L with 15% Overdrive Pulley.

  • Diameter: 8.13″
  • Weight: 11.3 lbs
  • Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.
  • NOTE – This damper will not fit the 2013 GT500’s that are equipped with the “Track Pack” option.


Double 3/16" Keyway Add On

Add an additional 3/16 Keyway to your Damper. Required the crankshaft to be machined for a second keyway 180* out from the original keyway. *Requires damper purchase. This is a labor option for new damper purchase only.