Uprated Connecting Rod Nut and Bolt Kit, Includes 12 Uprated Bolts and 12 Nuts, FITS 1980-1987 XJ6. A premium grade 8740 alloy chrome moly steel is used to manufacture these connecting rod bolts and nuts. This material is heat-treated to provide a tensile strength in the 200,000 psi range, which is substantially stronger than the Oem bolts. (C32344)
