Let the professionals at Callies pair your crankshaft with all the proper bottom end components. Fully balanced and ready to assemble rotating assemblies from Callies not only save you time and money, they provide the peace of mind that your components are matched for compatibility, giving you a trouble free project.
Due to the vast offerings of parts and individual needs, no two speed packs are the same. Formulating your engine combination is a highly consultative process. Before contacting our technical department, please have the following information, desired cubic inches, desired compression ratio, cc of the cylinder heads, final bore and deck height.
Our technical staff is ready and willing to assist you.