ARP Connecting Rod Bolt Kit 135-6002 BBC Connecting Rod Manufacturer:Stock Cap Retention Style:Through-bolt Rod Bolt Head Style:A Rod Bolt Nut Style:Hex Fastener Tensile Strength (psi):200,000 psi Thread Size:3/8 in. Connecting Rod Bolt Material:8740 chromoly steel Nuts Included:Yes Quantity:Sold as a set of 16.