ARP 400-1204 Exhaust Manifold Bolt and Spring

ARP's premium grade header bolt kit is an excellent choice to facilitate the installation of your vehicle's exhaust headers. To maintain a reputation for "zero defects", ensure optimum quality control, and produce fasteners of exceptionally high quality, ARP controls all aspects of the manufacturing process, performing all operations in-house where they can be closely monitored. ARP takes extraordinary steps to produce the very finest products of their kind on the market today. Manufactured from ARP's proprietary steel alloy "Stainless 300" and polished to produce a beautiful finish, these components are tolerant of heat, virtually impervious to rust and corrosion, and they are rated at 170,000 psi tensile strength, which is substantially stronger than Grade 8 hardware. The 3/8" diameter bolts are a compact 12-point style that are great for tight, hard-to-reach areas, have a .875 under head length, and the 16 piece set includes premium-quality washers.

• Heads are compact 12-point style, and premium-quality washers are included
• Manufactured from polished Stainless 300 steel, a proprietary alloy that is impervious to rust and corrosion
• Bolts are 3/8" in diameter and have a .875 under head length; 16 pieces
• Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware
• Premium grade bolt kit to facilitate installation of exhaust headers