Carrillo Pro-SA connecting rod set for Subaru EJ engines provides a direct replacement set of four rods for EJ18, EJ20 and EJ257 WRX STI applications. These Pro-SA rods use 3/8" WMC bolts for secure, repeatable clamping and are supplied as a matched four-piece set to support balanced rotating assemblies. The description identifies precise EJ-series fitment for straightforward swap-ins.
Carrillo Subaru EJ18/EJ20/EJ257 (WRX Sti) Pro-SA 3/8 WMC Bolt Connecting Rod - Set of 4