The ARP High Performance Rod Bolt Kit is constructed with premium grade 8740 alloy chrome-moly steel and is used in a high performance application for the Honda K20A’s rod bolts. The steel in the ARP High Performance Rod Bolt Kit is heat treated to provide a tensile strength in the 200,000 psi range and is considerably stronger and more durable than the OEM Honda K20A rod bolts. Cycle testing shows ARP High Performance Rod Bolt Kit to be nearly five times more durable and reliable than the stock Honda K20A bolts.