ARP 300-8331 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 compact 12-point style nuts are manufactured from the finest aerospace-quality polished stainless steel, and are rated at 180,000 psi tensile strength. Each package contains ten nuts with a socket size of 3/8 and a thread size of 5/16 - 24.

• 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 polished stainless steel
• Thread size is 5/16 - 24, and socket size is 3/8
• 12-point style is more compact than traditional hex style