The cam bolts in the kit have been manufactured from high carbon treated steel. All the components have been zinc plated to ensure maximum corrosion resistance. They have been designed for use with the front lower or rear upper control arms. The components use a 100% bolt on system that ensures installation is easy, trouble free and used basic hand tools. The cam bolts offer a half an inch adjustment on either side. The kit comes with two bolts, four washers and two nuts.