• Premium grade stud kit facilitates installation of exhaust headers
• Compact 12-point nut lets you easily slip a socket close to the pipe
• Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading
• Black oxide chrome moly
• Nominally rated at 170,000 psi tensile strength
• Kit includes (12) each studs with flange and 12-point nuts
• Size: 3/8" Diameter X 1.670 Overall Length
• Application: Small Block Chevy