ARP 200-8635 Engine Cylinder Head Bolt Set

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. These traditional style hex nuts are manufactured from the finest aerospace-quality steel, rated at 180,000 psi tensile strength, and have a black oxide finish. Each package contains ten nuts with a socket size of 5/8 and a thread size of 7/16 - 20.

• Package contains 10 nuts, each of which meets ARP's exacting quality control standards
• Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
• Constructed from the finest aerospace-quality steel with a black oxide finish
• Thread size is 7/16 - 20, and socket size is 5/8
• Traditional hex style nut is easy to use with standard tools