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This Carrillo Pro‑A connecting rod (single) with a 3/8 WMC bolt is specified for Subaru EJ18, EJ20 and EJ257 engines, including WRX STI variants. Offered as a single replacement rod, it is intended for those Subaru engine families where the Pro‑A rod and 3/8 WMC bolt meet the application requirements, supporting high‑strength connecting rod replacement on the listed engines.
Carrillo Subaru EJ18/EJ20/EJ257 (WRX Sti) Pro-A 3/8 WMC Bolt Connecting Rod - Single (S/O No Cancel)
