Carrillo connecting rods for Mitsubishi 4G63 first-generation engines are forged Pro-SA conrods that accept 3/8" WMC bolt hardware, supplied as a set intended for high-demand rebuilds. These rods are specified for first-gen 4G63 applications and provide direct replacement conrod functionality for performance-oriented engine builds that retain factory block dimensions and bolt sizing.
Carrillo Mitsubishi 4G63 1st Gen Pro-SA 3/8 WMC Bolt Connecting Rods