[Describe] These fasteners are used to secure the exhaust manifold to the engine block. The kit includes a set of bolts and double headed bolts, with nuts used in conjunction with bolts or double headed bolts to secure the exhaust manifold. They provide threaded connections to help ensure that the manifold is securely in place.
[Durability] This nut kit is made of durable materials and can withstand the harsh test of the engine environment, extending its service life and reducing the need for frequent replacement.