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)
