For 2003-2007 Ford 6.0L Power Stroke applications up to 700 hp / 1,250 ft-lbs torque, Fluidampr recommends damper installation with the High Strength Bolt Kit for secure mounting. Kit features heat treated, high strength bolts from ARP and a diamond impregnated friction washer.. Harmonic Balancer - Fluidampr - Installation Kit - 2003-2007 6.0L Power Stroke High Strength Bolt Kit - Up to 700 hp / 1,250 ft-lbs torque. Harmonic Balancer - Fluidampr - Installation Kit - 2003-2007 6.0L Power Stroke. -under head length 2.425 -thread 12mm x 1.25 -head size 3/4" 12pt (19mm). Fluidampr 03-07 Ford Powerstroke 6.0L High Strength Bolt Kit. Fluidampr 6.0L Power Stroke Bolt Kit. Engine Harmonic Balancer Bolt. High quality hardware. Secure Mounting. Fluidampr. Bolt Kit

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov