The Carrillo connecting rods for Honda/Acura H23, B20A and F22 applications are specified as Pro‑SA with 3/8" WMC bolts (special order). Provided as the listed replacement rod assemblies, they match the cataloged fitment for those engine types and are intended to be used where the original connecting rods are being renewed or replaced during engine service.
Carrillo Honda/Acura H23/B20A/F22 Pro-SA 3/8 WMC Bolt Connecting Rods (Special Order)