A Carrillo Pro‑SA replacement connecting rod for Subaru EJ-series engines, sold as a single rod for EJ18, EJ20 and EJ257 (WRX STI) applications. The listing specifies the Pro‑SA conrod with 3/8 WMC bolt hardware for builders needing individual rod replacements or custom engine assembly work. It provides a direct, explicit match for these Subaru engine codes.
Carrillo Subaru EJ18/EJ20/EJ257 (WRX Sti) Pro-SA 3/8 WMC Bolt Connecting Rod (SINGLE ROD)