Feuling Head Bolt Kit For Harley Ironhead Features Quality hex head, hardened stainless steel bolts with a show corrosion resistant finish. Tensile strength rated 180, 000 psi superior and stronger than OEM and grade 8 fasteners Feature precision rolled threads for optimum engagement, to prevent galling and to promote more consistent torque loading Wide underhead flange bolts and hardened chamfered washers provide even load distribution for optimum sealing of surfaces to prevent leaks Eliminates thread problems associated with chrome and soft stainless steel hardware Manufacture by APR to Feuling exact specifications Kit includes all bolts required for one motor and moly assembly lubricant for installation