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For decades, automotive connecting rod were fabricated machining separately the cap from the body, with precision to maintain accurate alignment, being that the fixing was by the use of special screws, with grinded body to remain perfectly adjusted in passage holes, aiming this way prevent possible lateral displacements. From the end of the last century, due to new technologies in the production and use of special microalloyed steels such C7056BY, permitted to introduce in the market connecting rods made of a single part, using the method of fracture splitting process to separate the cap from the body of the connecting rod. This technique provided gains as weight reduction and consequently reducing noise and vibration due to the decrease of the oscillating mass from the system. By the literature is estimated cost savings of up to 25%, and better fatigue performance.