This kit replaces both bolts for the power steering reservoir on Evo 8/9/X. Sold in a set of two. JDC titanium hardware is made from a Ti6Al-4V (Grade 5) titanium. These pieces will allow you to replace your ugly stock hardware with beautiful titanium that will outlast your car itself! Titanium is around 45% lighter, way stronger, and will not corrode like your stock steel bolts.