Titanium Dress Up Bolts Engine Bay Kit for Subaru WRX & STi (2006-2007) (Polished) The Engine Bay Dress Up Bolt Kit includes 41 high quality Titanium Fasteners Dress Up Bolts fasteners are professional race grade hardware with show car style Made from 6AL-4V Grade 5 Titanium for exceptional high tensile strength Titanium is extremely resistant to corrosion and ultra lightweight Available in: Blue, Black, Polished, Gold, Purple and True Burned...Instructions included