ARP offers High Performance Series bolts that are made from a premium grade chrome moly and hardened to a nominal tensile strength of 180,000 psi. The Pro Series bolts, originally developed for NASCAR competition, are rated at 200,000 psi. Both models feature a large diameter, low-profile head design. Complete with washers, where applicable.

Product Features:

• 8mm X 1.25 Thread Size(s)
• 8740 Chromoly
• Black Oxide
• Honda SOHC
• Hex Head
• Set of 6
• 180,000 PSI