LS-Series Balancer Bolt Except LS7

The ARP LS-Series Balancer Bolt (Except LS7) is a precision-engineered fastener designed specifically for LS engine builders and high-performance mechanics who require reliability in harmonic balancer applications. This bolt is compatible with LS1, LS2, LS3, LS6, and LS9 Gen III and Gen IV engines, ensuring secure attachment to the crankshaft under high RPM and boost conditions.

Manufactured from premium alloy steel, this balancer bolt is engineered to meet OEM tolerances while providing superior clamp load consistency compared to stock hardware. It features ARP's proprietary thread geometry and surface treatment, which helps maintain consistent preload across multiple assembly cycles and prevents thread galling during installation.

Ideal for anyone performing an LS engine rebuild, serpentine drive system upgrade, or bottom-end refresh, this fastener is essential for ensuring the harmonic balancer is securely fastened without overtightening, which can lead to damage. Always apply ARP's recommended assembly lubricant for optimal performance.