Bill Miller Engineering Connecting Rod - I Beam - 6.700 in Long - 7/16 in Cap Screws - Forged Aluminum - Big Block Chevy - Set of 8-R396565--Notes: 6.700 Center to Center Length, 2.200 Crank Pin, .990 Pin Diameter State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO