Since 1963, Carrillo is recognized as the preeminent custom connecting rod manufacturer in the world. Carrillo has provided custom and prototype connecting rods to virtually every major automotive and motorcycle venue, most notably to the high performance and speed equipment industry. Whether it is a development engine or a modified existing engine, when nothing but the finest, most accurate, proven part is needed, Carrillo has earned the reputation of simply being the best.
In addition to their well known H beam connecting rods, Carillo offers an A beam configuration as well. The A beam configuration is available in Pro-A, Pro-A-Ltd and Pro-Super A (SA) configurations. Typically, the Pro-A beam configuration is well suited for less demanding, more economical, high-performance, aftermarket applications. Pro-A-Ltd connecting rods are designed for limited and restricted motor applications. And the Carrillo Pro-Super-A (SA) bridges the gap between the Pro-H and Pro-A applications. HP Rating of Connecting Rods: Carrillo is often asked about general horsepower ratings for the various designs of its connecting rods. Unfortunately, this cannot be answered in a simple way. The most relevant rod design parameters are Inertia forces (a function of engine speed, crank train geometry and assembly weights) and Cylinder firing pressure (tuning, fuel, boost, etc.). Through increased engine speed, displacement, firing pressure or a combination thereof, horsepower is gained. However, through the various changes in the cycle, the demand on the rods varies greatly. Moreover, extreme dynamic loads on the drive train such as intermittently free spinning wheels or propellers (Hill Climb races, Off-Shore boat races) should be considered the when making the right choice of rod. Quality Assurance Throughout the manufacturing process and before leaving the facility, Carrillo rods are under the control of a rigorous Quality Assurance system. Each rod is subjected to a variety of quality checks, to ensure dimensions meet Carillo's stringent tolerance requirements. They employ a variety of testing equipment to accurately assess these tolerances, including a CMM, Air and Height-Gauges, a 2D measuring system to name just a few. The initial quality assurance starts with Carillo's selection of steel, followed by a strict forging and heat treating process. As a rod moves through the manufacturing process, quality assurance follows every step of the process; testing dimensional integrity and quality, providing a paper trail of certification throughout the entire manufacturing and shipping process. Every rod leaves Carillo's facility with a specification card. This spec card displays a part number, critical dimensions, weights and job number, all for ease of identification and tracking.
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