The factory-style bolts used to secure the exhaust manifold to the cylinder head on certain vehicles are prone to cracking and failure from extreme thermal cycles and corrosion. This convenient Dorman OE FIX hardware kit contains twelve M8-1.25 x 30mm bolts made of 100 percent stainless steel that provide superior strength and resistance to corrosion. The bolts are precision-manufactured to match the fit and function of the original equipment hardware, and help ensure a professional and more durable repair. The kit contains the bolts required to install one exhaust manifold.