Carrillo Pro-H connecting rods with 3/8 WMC bolts are supplied as a set of four for Mazda 2.3 DISI engines using factory pistons. These rods are engineered for direct-fit replacement to retain piston compatibility while providing Carrillo's forged rod design and hardware for higher-stress engine assemblies that require durable, serviceable connecting components.
Carrillo Mazda 2.3 DISI w/Factory Piston PRO-H 3/8 WMC Bolt Connecting Rods (set of 4)