SpeedFactory Racing Titanium Stud Kit - M8x1.25 10pcs - Extended LengthsSpeedFactory Universal Intake Exhaust Manifold Titanium Stud Set This kit includes (10) M8 x 1. 25mm x 55 65mm Ti 6Al 4V studs, nuts, and washers. Use of factory exhaust manifold bolts and studs, especially with an aftermarket intake manifold or header turbo system, can result in stripped or broken bolts and inadequate clamping force, resulting in leaks. Our studs look great and will allow you to properly clamp the intake or exhaust manifold to the