ARP High-Strength Harmonic Damper Bolt Set – BMW S58/B58

ARP Harmonic Damper Bolt Set – BMW S58/B58

Factory BMW damper bolts are torque-to-yield and designed for one-time use. When power levels increase, they can loosen or fail, risking engine and crankshaft damage.

The ARP Harmonic Damper Bolt Set is engineered for high-performance S58 builds, offering superior strength, consistent clamping force, and long-term reliability. Manufactured in the USA to ARP’s exacting standards, these bolts are trusted in high-horsepower applications.

Includes:

• (4) Harmonic damper bolts

Installation:

• Torque to 80 ft-lbs using ARP assembly lubricant

• Tools required: 3/8" 12-point socket & torque wrench