The ARP 625-2000 Bolts are high-performance fasteners designed for auto racing and performance applications. Made of stainless steel with a polished finish, these bolts feature a 3/8-16 inch right-hand thread size and a 7/16 inch hex wrench diameter. With a tensile strength of 180,000 psi, these bolts are sold as a set of 5 and come with washers included. Manufactured by ARP in the United States, these bolts are a genuine performance part that ensures a secure and reliable connection for your vehicle's engine and components.