One of the first upgrades that should be done for any engine rebuild is the use of performance rod bolts. Rod bolts see the most severe abuse of all engine hardware, and they also cause the most damage when they fail. TA's Performance rod bolts help to ensure against catastrophic failure, they are made from 8740 steel for the ultimate in durability. A must for any stock or performance upgraded engine. Black Oxide coated for corrosion resistance. 16 pieces per set.