Just in time for build season, Callies introduces the Liteweight Ultra connecting Rod. Designed with weight reduction in mind, but not sacrificing strength, the engineers at Callies, have answered the call for those demanding lighter SBC connecting rods. These Ultra connecting rods, are currently available in a variety of lengths and pin diameters. Call our technical department for more information.
5.850 small journal and 6.000 standard Journal Ultra connecting rods are on the shelf. Contact our technical department for pricing. Specials may be available.
Ultra connecting rods by Callies
For the Small Block Chevy and LS1 engine families
Ultra rods are now available for the Small Block and LSx Chevy engines. Every Ultra connecting rod is machined from Extremely clean Timken steel that is produced to Callies exact requirement. Ultra’s are available in a wide range of lengths and journal diameters. These rods are fastened with a purpose built 260Ksi Ultra bolt. Custom Age 625 cap screws by ARP are available for extremely demanding applications. Ultra rods are designed to withstand 1800 HP plus applications.