This is a brand new genuine Ford NOS box of fifteen connecting rod bolts. These fit the 1969 1970 Ford Mustang Boss 302 along with 1965-1967 Ford Mustang 289 HiPo. These are 3/8". These are in the Ford box with the part number C9AZ-6212-B. I ship world wide. (KPX512; KPX578)