The Carrillo connecting rods are made for Honda/Acura K20A engines and come as Pro-SA rods with 3/8 WMC bolts. They provide a direct rod assembly intended for K20A applications where upgraded connecting hardware is required. Use these rods when rebuilding or modifying a K20A powerplant and you need conrods specified with Pro-SA 3/8 WMC bolt hardware for reliable connecting rod retention.
Carrillo Honda/Acura K20A Pro-SA 3/8 WMC Bolt Connecting Rods