Carrillo Connecting Rods for Subaru EJ18/EJ20/EJ257 WRX Sti Pro-H 3/8 WMC Bolt

Carrillo Connecting Rods for Subaru EJ18/EJ20/EJ257 WRX/STI — Pro-H 3/8 WMC Bolt Upgrade your Subaru's bottom end with Carrillo Pro-H connecting rods, engineered for the EJ18, EJ20 and EJ257 engines found in WRX and STI models. Built for high-performance tuning, these rods provide exceptional strength, reliability and precision under extreme loads. Precision forged Pro-H design for superior fatigue resistance and consistent dimensional accuracy 3/8" WMC bolt specification for increased clamp load and durability under boost and high RPM Direct fit for EJ18, EJ20 and EJ257 applications — optimized for WRX and STI builds Ideal for racing & high-power builds where reliability and weight savings matter Carrillo rods are manufactured to tight tolerances and undergo rigorous quality control, offering peace of mind for street, track and rally use. Improve engine responsiveness, reduce rotational mass and protect your investment with components trusted by professional engine builders worldwide. Key specs: Pro-H forged construction, 3/8" WMC bolts, balanced for performance builds. Check fitment and torque specs with your engine builder before installation.