Premium grade stud kit to facilitate installation of exhaust headers;Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware;Studs are 3/8 in diameter and have a 1.670 overall length; 12 pieces;Manufactured from polished Stainless 300 steel, a proprietary alloy that is impervious to rust and corrosion;Nuts are traditional hex style, and premium-quality washers are included

• ARP 4001412 Header Studs With Hex Nuts, Polished Stainless Steel, Set Of 12, For Select Chevrolet Small Block Engines

ARP 4001412 Header Studs With Hex Nuts, Polished Stainless Steel, Set Of 12, For Select Chevrolet Small Block EnginesARP