JIMS® cover is precision machined from 7075-T651 aluminum with high tensile strength—double that of 6061-T6 aluminum and triple that of cast cam covers. The points cover and cam cover base gasket are included. Solid bronze fittings maintain factory centerlines for perfect cam/pinion alignment. For use on ’73-’92 Big Twin single cam engines. This includes aftermarket and S&S® engines. Other year fitments are also available. Call for information.