This OE style 1962-1965 Corvette idler pulley mount stud kit replaces the water pump mount bolt for the installation of the idler pulley used on special hi-performance Corvettes. This kit comes complete with a mount nut for idler pulley adjustment, one bolt, and washers for mounting the pulley bracket. With this top-quality mount stud kit, you can easily install the idler pulley and ensure its secure fitment to the water pump mount.