ATI Performance Harmonic Balancers and Components LS6 6.78 Harmonic Damper SFI 917289

ATI Performance Harmonic Balancers and Components LS6 6.78 Harmonic Damper SFI 917289

Harmonic Balancer - Serpentine Super Damper - 6.780 in OD - SFI 18.1 - Aluminum / Steel - Black - Internal Balance - GM LS-Series - Each LS6 6.78 Harmonic Damper SFI

This harmonic balancers and components from ATI Performance is cleaned up for accurate search, easier fitment review, and a stronger Shopify product page.

• Brand: ATI Performance
• Part Number: 917289
• Product Type: Harmonic Balancers and Components
• Application-specific fitment: verify this part matches your vehicle, engine, and installation requirements before ordering.
• Approx. Shipping Weight: 8.25 lb

Installation note: Professional installation is recommended when fitment, tuning, wiring, welding, or emissions compliance may apply.