Ultra connecting rods are now available for both Chevy smallblock and LSx Chevy engines. Every rod is machined from extremely clean Timken steel that is produced to Callies’ exacting requirements. Ultra rods are offered in a wide range of lengths and journal diameters. Included are purpose-built 260 Ksi Ultra rod bolts. Custom Age 625 ARP cap screw3s are also available for extreme applications. Callies’ Ultra rods are designed to withstand 1800 HP + applications.
Tags: Callies, CHEVY, CONNECTING RODS, LS, LSx, SBC


