R1WURKS Premium Titanium T7 Upper Screw Kit. This 76 -piece set replaces the upper steel screws with lightweight, ultra-high quality Grade 5 (6Al-4V) Titanium screws. Not only will this set lower the CG of your vehicle with a weight reduction, but youâll also benefit from increased hex durability of the precision-broached 2.5 hex socket button head screw, allowing you to torque the screws without the worry of stripping out the hex.