ATI Performance 918628 LS3 7.480-Inch Harmonic Balancer

The ATI Performance 918628 harmonic balancer is a serpentine Super Damper designed for GM LS-Series applications with internal balance. Its construction combines aluminum and steel components in a black finish, providing a purpose-built solution for harmonic control in compatible LS3 applications.

This harmonic balancer features a 7.480-inch outside diameter and is identified as SFI 18.1. The serpentine design supports accessory-drive applications that require this configuration, while the internal-balance specification helps match engines designed for internal balancing.

Supplied as an individual harmonic balancer, the ATI Performance 918628 is suited to engine builds and replacement applications where the listed LS-Series, serpentine, internal-balance, and SFI 18.1 specifications are required. Verify application requirements before installation.

Features:

• Brand: ATI Performance
• Part Number: 918628
• Application: GM LS-Series
• Engine Application: LS3
• Type: Serpentine Super Damper harmonic balancer
• Outside Diameter: 7.480 inches
• Balance Type: Internal balance
• Construction: Aluminum and steel
• Finish: Black
• Certification Standard: SFI 18.1
• Quantity: Each