Callies Performance Products introduces Ultra Connecting Rods made specifically for High Horsepower Ford 460 CID engines. These connecting rods are machined with the proper tower offset to match this popular engine. Initially available in 6.700 and 6.800 inch lengths and fastened by Ultra bolts from ARP, Ultra Ford BB rods are built for your most severe application. Callies Ultra connecting rods are produced from extremely clean Timken steel that is formulated to our exact specifications. This proprietary steel is forged in Trenton, Michigan, and manufactured 100% in our Fostoria, Ohio facility.