5.0L Coyote Harmonic Balancer 10-Rib 20% Overdrive Front #821


10 Rib 20% OD Front Pulley, 6 Rib STD diameter back pulley SFI 18.1 damper for 2011-up 5.0L Coyote Mustangs. Designed for the Whipple Supercharger 10 Rib System.

  • Diameter: 7.884″
  • Weight: 8.3 lbs
  • 6 Rib Standard Back Pulley
  • 10 Rib 20% Overdrive Front Pulley
  • Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.

1 in stock


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.

SKU: 821 Category: Tags: ,