This Fluidampr 3-piece friction washer set is specified for harmonic balancer installation on 2008–2010 6.4L Power Stroke engines. Each washer is 0.010" thick and diamond-impregnated; Fluidampr recommends replacing the washer whenever the damper is removed, and the 3-pack supports multiple service events or assemblies.
Fluidampr Ford Powerstroke 6.4 Harmonic Balancer Friction Washer - 3pc