The WRX engine dress - up kit comes with 10 top - notch titanium fasteners. These fasteners are available in a wide range of colors including blue, black, polished, gold, purple, and true burned. Dress Up Bolts fasteners, which include bolts, nuts, and washers, are professional race - grade hardware with a show - car look. Made from 6AL - 4V Grade 5 Titanium, they offer outstanding high tensile strength, resist corrosion, and are incredibly lightweight.















Using this engine dress - up kit is easy. Just replace the old bolts, nuts, and washers in your Subaru WRX 2015 - 2021 engine with these new titanium fasteners. Make sure to tighten them properly but don't over - tighten. When it comes to maintenance, simply wipe them clean with a soft cloth to keep them looking shiny. Since they are corrosion - resistant, you don't have to worry too much about rust, but try to keep them away from harsh chemicals. Also, if you notice any loose fasteners, tighten them right away to ensure the best performance of your engine.