Need a single ARP Bolts from DLC! 

When you ride a Harley, every mile and every rpm matters. ARP single bolts are precision‑machined from premium alloy steel to deliver far greater tensile strength and fatigue resistance than stock hardware. Built to hold clamp load under the heavy torque and vibration common to Twin Cam, Milwaukee‑Eight and other V‑twin engines, these bolts stand up to hard touring, spirited back‑road rides, and track days alike. Finished for excellent rust and corrosion protection and proudly made in the USA (Southern California), ARP fasteners give Harley riders the confidence to push farther and ride harder.

Key features

• Built for Harley riding — engineered to handle high torque and vibration from V‑twin engines
• Significantly higher tensile strength than OE bolts
• Precision machining for consistent clamp load and a reliable fit
• Proudly made in the USA (Southern California)
• Durable finish for superior rust and corrosion resistance — ride in any weather
• We don't powder-coat or Cerakote like others! 

High‑strength ARP bolt — precision‑DLC Coated in Southern California for Harley V‑twins; race‑proven tensile strength with long‑lasting rust and corrosion resistance.