New stainless steel (longer than stock) intake/exhaust manifold stud. Will fit 1970-83 Datsun 240Z, 260Z, 280Z, and 280ZX. This stud fits into the cylinder head for attaching the intake and exhaust manifolds.
This stud will engage the head less, but overall will extend out about 7mm longer than stock. Desirable for thicker header/intake flanges or thicker gaskets.
*See 200-784 for OEM stud.