Only the best when it comes to exhaust studs. Made from premium 300 stainless steel, which is rated at 170,000 psi tensile strength. That's much stronger than Grade 8 steel. These studs are also highly corrosion and heat-resistant, for long service under the toughest conditions, and they're polished to a mirror-like shine.12-point nuts.
Set of 10 for VR6 12V exhaust manifold
Set of 14 for VR6 24V (2.8L and 3.2L) exhaust manifold