Titanium Intake/Exhaust Manifold Stud Set – Fits Honda/Acura B/D/F/H Series Engines (9) M8 x 1.25mm x 45mm titanium studs (9) M8x1.25mm titanium nuts (9) M8 titanium washers Exhaust manifold bolts and studs, especially with an aftermarket header/turbo system, can result in stripped or broken bolts and inadequate clamping force, resulting in leaks. Looks great and will allow you to properly clamp the exhaust manifold to the cylinder head without experiencing sealing problems and stud/nut failure. Titanium is ~45% lighter, stronger, and will not corrode like your stock steel bolts or studs. Titanium Stud Kits are made of high-quality Ti 6Al-4V and incorporate a hex key tip that allows them to be easily installed using an Allen wrench. Titanium 12-point nuts and washers are included.