When it comes to reconditioning your rods, you simply can not purchase a better rod bolt. ARP, a quality name that almost all professional engine builders rely on. These ARP rod bolts feature a tensile strength of 200,000 and are 5 times more reliable than factory rod bolts. This application is for the Oldsmobile 455 engines from 1968 to 1976. It also applies to the 400 Oldsmobile engine from 1968 to 1969.